diff --git a/docs/sources/reference/loki-http-api.md b/docs/sources/reference/loki-http-api.md
index e72a03ba51b0a..c9df1a2896d74 100644
--- a/docs/sources/reference/loki-http-api.md
+++ b/docs/sources/reference/loki-http-api.md
@@ -627,6 +627,7 @@ It accepts the following query parameters in the URL:
 - `start`: The start time for the query as a nanosecond Unix epoch. Defaults to 6 hours ago.
 - `end`: The end time for the query as a nanosecond Unix epoch. Defaults to now.
 - `since`: A `duration` used to calculate `start` relative to `end`. If `end` is in the future, `start` is calculated as this duration before now. Any value specified for `start` supersedes this parameter.
+- `query`: A set of log stream selector that selects the streams to match and return label names. Example: `{"app": "myapp", "environment": "dev"}`
 
 In microservices mode, `/loki/api/v1/labels` is exposed by the querier.
 
diff --git a/pkg/indexgateway/gateway.go b/pkg/indexgateway/gateway.go
index 81f98662a1c3e..e2850e8c9317f 100644
--- a/pkg/indexgateway/gateway.go
+++ b/pkg/indexgateway/gateway.go
@@ -292,7 +292,22 @@ func (g *Gateway) LabelNamesForMetricName(ctx context.Context, req *logproto.Lab
 	if err != nil {
 		return nil, err
 	}
-	names, err := g.indexQuerier.LabelNamesForMetricName(ctx, instanceID, req.From, req.Through, req.MetricName)
+	var matchers []*labels.Matcher
+	// An empty matchers string cannot be parsed,
+	// therefore we check the string representation of the matchers.
+	if req.Matchers != syntax.EmptyMatchers {
+		expr, err := syntax.ParseExprWithoutValidation(req.Matchers)
+		if err != nil {
+			return nil, err
+		}
+
+		matcherExpr, ok := expr.(*syntax.MatchersExpr)
+		if !ok {
+			return nil, fmt.Errorf("invalid label matchers found of type %T", expr)
+		}
+		matchers = matcherExpr.Mts
+	}
+	names, err := g.indexQuerier.LabelNamesForMetricName(ctx, instanceID, req.From, req.Through, req.MetricName, matchers...)
 	if err != nil {
 		return nil, err
 	}
@@ -308,7 +323,7 @@ func (g *Gateway) LabelValuesForMetricName(ctx context.Context, req *logproto.La
 	}
 	var matchers []*labels.Matcher
 	// An empty matchers string cannot be parsed,
-	// therefore we check the string representation of the the matchers.
+	// therefore we check the string representation of the matchers.
 	if req.Matchers != syntax.EmptyMatchers {
 		expr, err := syntax.ParseExprWithoutValidation(req.Matchers)
 		if err != nil {
diff --git a/pkg/ingester/ingester.go b/pkg/ingester/ingester.go
index f23e1de227f6b..41b358906e0a1 100644
--- a/pkg/ingester/ingester.go
+++ b/pkg/ingester/ingester.go
@@ -1147,7 +1147,7 @@ func (i *Ingester) Label(ctx context.Context, req *logproto.LabelRequest) (*logp
 				return
 			}
 		} else {
-			storeValues, err = cs.LabelNamesForMetricName(ctx, userID, from, through, "logs")
+			storeValues, err = cs.LabelNamesForMetricName(ctx, userID, from, through, "logs", matchers...)
 			if err != nil {
 				return
 			}
diff --git a/pkg/ingester/ingester_test.go b/pkg/ingester/ingester_test.go
index 035a62e5a6414..1c438bd6bf2c0 100644
--- a/pkg/ingester/ingester_test.go
+++ b/pkg/ingester/ingester_test.go
@@ -465,7 +465,7 @@ func (s *mockStore) LabelValuesForMetricName(_ context.Context, _ string, _, _ m
 	return []string{"val1", "val2"}, nil
 }
 
-func (s *mockStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string) ([]string, error) {
+func (s *mockStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string, _ ...*labels.Matcher) ([]string, error) {
 	return nil, nil
 }
 
diff --git a/pkg/logproto/logproto.pb.go b/pkg/logproto/logproto.pb.go
index 0d0827f5a094c..e1c54358897e9 100644
--- a/pkg/logproto/logproto.pb.go
+++ b/pkg/logproto/logproto.pb.go
@@ -1866,6 +1866,7 @@ type LabelNamesForMetricNameRequest struct {
 	MetricName string                                  `protobuf:"bytes,1,opt,name=metric_name,json=metricName,proto3" json:"metric_name,omitempty"`
 	From       github_com_prometheus_common_model.Time `protobuf:"varint,2,opt,name=from,proto3,customtype=github.com/prometheus/common/model.Time" json:"from"`
 	Through    github_com_prometheus_common_model.Time `protobuf:"varint,3,opt,name=through,proto3,customtype=github.com/prometheus/common/model.Time" json:"through"`
+	Matchers   string                                  `protobuf:"bytes,4,opt,name=matchers,proto3" json:"matchers,omitempty"`
 }
 
 func (m *LabelNamesForMetricNameRequest) Reset()      { *m = LabelNamesForMetricNameRequest{} }
@@ -1907,6 +1908,13 @@ func (m *LabelNamesForMetricNameRequest) GetMetricName() string {
 	return ""
 }
 
+func (m *LabelNamesForMetricNameRequest) GetMatchers() string {
+	if m != nil {
+		return m.Matchers
+	}
+	return ""
+}
+
 // TODO(owen-d): fix. This will break rollouts as soon as the internal repr is changed.
 type LineFilter struct {
 	Raw []byte `protobuf:"bytes,1,opt,name=raw,proto3" json:"raw,omitempty"`
@@ -3113,174 +3121,175 @@ func init() {
 func init() { proto.RegisterFile("pkg/logproto/logproto.proto", fileDescriptor_c28a5f14f1f4c79a) }
 
 var fileDescriptor_c28a5f14f1f4c79a = []byte{
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+	0xf1, 0xa5, 0x73, 0x1c, 0xfc, 0x9d, 0xc4, 0xca, 0xfa, 0x88, 0xca, 0xca, 0xcf, 0xc3, 0x62, 0x2f,
+	0x35, 0x33, 0xdb, 0xda, 0xb2, 0xbd, 0x9b, 0x21, 0xc7, 0xe3, 0xc4, 0x74, 0x02, 0x33, 0xc3, 0x74,
+	0x19, 0x7b, 0xe4, 0x0f, 0xda, 0x23, 0xd1, 0x7a, 0xe1, 0xee, 0x5a, 0x7f, 0xec, 0x11, 0xa8, 0xc6,
+	0x3f, 0xe5, 0xa1, 0x1a, 0x94, 0x2f, 0xbe, 0x42, 0x5e, 0xbf, 0x40, 0x36, 0x96, 0x72, 0xa8, 0x0e,
+	0x95, 0xce, 0x85, 0xf5, 0x97, 0x04, 0x64, 0x9d, 0xfd, 0x4d, 0x49, 0x17, 0x02, 0x21, 0xfa, 0x26,
+	0x14, 0x65, 0x76, 0x3f, 0x9a, 0x08, 0x67, 0xfe, 0xca, 0xb5, 0x72, 0xec, 0x00, 0x5e, 0x6a, 0x09,
+	0xe7, 0x9e, 0xb0, 0xd0, 0x55, 0xa8, 0x09, 0xa4, 0xea, 0x23, 0x9f, 0xc8, 0xb6, 0x73, 0x53, 0x9c,
+	0x1e, 0x9a, 0x31, 0x6b, 0xf0, 0x3b, 0x0f, 0x45, 0xa9, 0xb0, 0xa3, 0x99, 0x22, 0x6c, 0xca, 0x69,
+	0x52, 0x9d, 0x75, 0x9c, 0x43, 0xcf, 0x80, 0x7d, 0xdd, 0xf5, 0x06, 0xc8, 0xa8, 0x01, 0x8d, 0xf6,
+	0xef, 0xca, 0xd1, 0x2c, 0xda, 0xd8, 0xf6, 0xb9, 0xb8, 0x8b, 0x7d, 0x2c, 0xdb, 0x4a, 0xd3, 0xcb,
+	0x9b, 0x07, 0x27, 0xe2, 0x9d, 0x5f, 0x91, 0xbd, 0x56, 0xdd, 0xd0, 0x41, 0x0f, 0xa5, 0xb7, 0xca,
+	0xf4, 0x7f, 0x56, 0x5a, 0xb3, 0xa6, 0x63, 0x86, 0x9b, 0x50, 0x33, 0x9a, 0x29, 0xa6, 0x5a, 0x0f,
+	0x76, 0x82, 0x4c, 0xb5, 0x4e, 0xe9, 0xc0, 0xe0, 0x1c, 0xba, 0x04, 0x15, 0x5e, 0x39, 0x8b, 0x1f,
+	0x5d, 0x8e, 0x67, 0x0b, 0x64, 0xa3, 0x30, 0x5a, 0x39, 0x31, 0x7d, 0x32, 0x66, 0xf4, 0x6d, 0xa8,
+	0x5e, 0xa2, 0x4c, 0x65, 0x97, 0x63, 0xd9, 0xf4, 0x34, 0x45, 0x53, 0xe9, 0x14, 0x87, 0x73, 0xe8,
+	0x0d, 0x51, 0xc4, 0xa7, 0x83, 0x2b, 0x72, 0x66, 0x04, 0xd1, 0xf8, 0x5c, 0xab, 0xb3, 0x09, 0x62,
+	0xce, 0xaf, 0xa7, 0x38, 0xab, 0x3c, 0xec, 0xcc, 0xb8, 0xb0, 0x31, 0x67, 0xe7, 0x2e, 0x7f, 0xc9,
+	0xc0, 0xb9, 0xb3, 0x6f, 0xea, 0x7f, 0x25, 0x6c, 0xb8, 0xcc, 0x45, 0xaf, 0xc0, 0xa2, 0xd0, 0x65,
+	0xfc, 0xb7, 0x85, 0x94, 0xcf, 0x1f, 0xf8, 0x8f, 0x44, 0xca, 0xe7, 0x0f, 0xfe, 0x57, 0x02, 0xe7,
+	0x3a, 0x6f, 0x7e, 0xf0, 0x71, 0x2b, 0xf7, 0xe1, 0xc7, 0xad, 0xdc, 0xa7, 0x1f, 0xb7, 0xac, 0xef,
+	0xef, 0xb5, 0xac, 0x5f, 0xef, 0xb5, 0xac, 0xf7, 0xf7, 0x5a, 0xd6, 0x07, 0x7b, 0x2d, 0xeb, 0xef,
+	0x7b, 0x2d, 0xeb, 0x1f, 0x7b, 0xad, 0xdc, 0xa7, 0x7b, 0x2d, 0xeb, 0xdd, 0x4f, 0x5a, 0xb9, 0x0f,
+	0x3e, 0x69, 0xe5, 0x3e, 0xfc, 0xa4, 0x95, 0xfb, 0xee, 0xa3, 0x77, 0x7f, 0xb0, 0xca, 0xb0, 0x58,
+	0x12, 0x5f, 0x4f, 0xfe, 0x27, 0x00, 0x00, 0xff, 0xff, 0xb0, 0x55, 0xf6, 0x50, 0x3b, 0x23, 0x00,
+	0x00,
 }
 
 func (x Direction) String() string {
@@ -4396,6 +4405,9 @@ func (this *LabelNamesForMetricNameRequest) Equal(that interface{}) bool {
 	if !this.Through.Equal(that1.Through) {
 		return false
 	}
+	if this.Matchers != that1.Matchers {
+		return false
+	}
 	return true
 }
 func (this *LineFilter) Equal(that interface{}) bool {
@@ -5506,11 +5518,12 @@ func (this *LabelNamesForMetricNameRequest) GoString() string {
 	if this == nil {
 		return "nil"
 	}
-	s := make([]string, 0, 7)
+	s := make([]string, 0, 8)
 	s = append(s, "&logproto.LabelNamesForMetricNameRequest{")
 	s = append(s, "MetricName: "+fmt.Sprintf("%#v", this.MetricName)+",\n")
 	s = append(s, "From: "+fmt.Sprintf("%#v", this.From)+",\n")
 	s = append(s, "Through: "+fmt.Sprintf("%#v", this.Through)+",\n")
+	s = append(s, "Matchers: "+fmt.Sprintf("%#v", this.Matchers)+",\n")
 	s = append(s, "}")
 	return strings.Join(s, "")
 }
@@ -7903,6 +7916,13 @@ func (m *LabelNamesForMetricNameRequest) MarshalToSizedBuffer(dAtA []byte) (int,
 	_ = i
 	var l int
 	_ = l
+	if len(m.Matchers) > 0 {
+		i -= len(m.Matchers)
+		copy(dAtA[i:], m.Matchers)
+		i = encodeVarintLogproto(dAtA, i, uint64(len(m.Matchers)))
+		i--
+		dAtA[i] = 0x22
+	}
 	if m.Through != 0 {
 		i = encodeVarintLogproto(dAtA, i, uint64(m.Through))
 		i--
@@ -9525,6 +9545,10 @@ func (m *LabelNamesForMetricNameRequest) Size() (n int) {
 	if m.Through != 0 {
 		n += 1 + sovLogproto(uint64(m.Through))
 	}
+	l = len(m.Matchers)
+	if l > 0 {
+		n += 1 + l + sovLogproto(uint64(l))
+	}
 	return n
 }
 
@@ -10395,6 +10419,7 @@ func (this *LabelNamesForMetricNameRequest) String() string {
 		`MetricName:` + fmt.Sprintf("%v", this.MetricName) + `,`,
 		`From:` + fmt.Sprintf("%v", this.From) + `,`,
 		`Through:` + fmt.Sprintf("%v", this.Through) + `,`,
+		`Matchers:` + fmt.Sprintf("%v", this.Matchers) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -15166,6 +15191,38 @@ func (m *LabelNamesForMetricNameRequest) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Matchers", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowLogproto
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthLogproto
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthLogproto
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Matchers = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLogproto(dAtA[iNdEx:])
diff --git a/pkg/logproto/logproto.proto b/pkg/logproto/logproto.proto
index 189cec5d948ca..949861ee8ae4c 100644
--- a/pkg/logproto/logproto.proto
+++ b/pkg/logproto/logproto.proto
@@ -320,6 +320,7 @@ message LabelNamesForMetricNameRequest {
     (gogoproto.customtype) = "github.com/prometheus/common/model.Time",
     (gogoproto.nullable) = false
   ];
+  string matchers = 4;
 }
 
 // TODO(owen-d): fix. This will break rollouts as soon as the internal repr is changed.
diff --git a/pkg/querier/querier.go b/pkg/querier/querier.go
index f2fe80566b461..8662f85c73f93 100644
--- a/pkg/querier/querier.go
+++ b/pkg/querier/querier.go
@@ -431,7 +431,7 @@ func (q *SingleTenantQuerier) Label(ctx context.Context, req *logproto.LabelRequ
 			if req.Values {
 				storeValues, err = q.store.LabelValuesForMetricName(ctx, userID, from, through, "logs", req.Name, matchers...)
 			} else {
-				storeValues, err = q.store.LabelNamesForMetricName(ctx, userID, from, through, "logs")
+				storeValues, err = q.store.LabelNamesForMetricName(ctx, userID, from, through, "logs", matchers...)
 			}
 			return err
 		})
diff --git a/pkg/querier/querier_mock_test.go b/pkg/querier/querier_mock_test.go
index 51e4a6a9d8dd1..b70ba0cc3963b 100644
--- a/pkg/querier/querier_mock_test.go
+++ b/pkg/querier/querier_mock_test.go
@@ -352,7 +352,7 @@ func (s *storeMock) LabelValuesForMetricName(ctx context.Context, userID string,
 	return args.Get(0).([]string), args.Error(1)
 }
 
-func (s *storeMock) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error) {
+func (s *storeMock) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, _ ...*labels.Matcher) ([]string, error) {
 	args := s.Called(ctx, userID, from, through, metricName)
 	return args.Get(0).([]string), args.Error(1)
 }
diff --git a/pkg/querier/queryrange/codec_test.go b/pkg/querier/queryrange/codec_test.go
index 1363792922382..af047d8e84e1e 100644
--- a/pkg/querier/queryrange/codec_test.go
+++ b/pkg/querier/queryrange/codec_test.go
@@ -115,8 +115,8 @@ func Test_codec_EncodeDecodeRequest(t *testing.T) {
 		}, false},
 		{"labels", func() (*http.Request, error) {
 			return http.NewRequest(http.MethodGet,
-				fmt.Sprintf(`/label?start=%d&end=%d`, start.UnixNano(), end.UnixNano()), nil)
-		}, NewLabelRequest(start, end, "", "", "/label"),
+				fmt.Sprintf(`/label?start=%d&end=%d&query={foo="bar"}`, start.UnixNano(), end.UnixNano()), nil)
+		}, NewLabelRequest(start, end, `{foo="bar"}`, "", "/label"),
 			false},
 		{"label_values", func() (*http.Request, error) {
 			req, err := http.NewRequest(http.MethodGet,
@@ -875,22 +875,26 @@ func Test_codec_series_EncodeRequest(t *testing.T) {
 
 func Test_codec_labels_EncodeRequest(t *testing.T) {
 	ctx := user.InjectOrgID(context.Background(), "1")
-	toEncode := NewLabelRequest(start, end, "", "", "/loki/api/v1/labels")
+
+	// Test labels endpoint
+	toEncode := NewLabelRequest(start, end, `{foo="bar"}`, "", "/loki/api/v1/labels")
 	got, err := DefaultCodec.EncodeRequest(ctx, toEncode)
 	require.NoError(t, err)
 	require.Equal(t, ctx, got.Context())
 	require.Equal(t, "/loki/api/v1/labels", got.URL.Path)
 	require.Equal(t, fmt.Sprintf("%d", start.UnixNano()), got.URL.Query().Get("start"))
 	require.Equal(t, fmt.Sprintf("%d", end.UnixNano()), got.URL.Query().Get("end"))
+	require.Equal(t, `{foo="bar"}`, got.URL.Query().Get("query"))
 
 	// testing a full roundtrip
 	req, err := DefaultCodec.DecodeRequest(context.TODO(), got, nil)
 	require.NoError(t, err)
 	require.Equal(t, toEncode.Start, req.(*LabelRequest).Start)
 	require.Equal(t, toEncode.End, req.(*LabelRequest).End)
+	require.Equal(t, toEncode.Query, req.(*LabelRequest).Query)
 	require.Equal(t, "/loki/api/v1/labels", req.(*LabelRequest).Path())
 
-	// Test labels values endpoint
+	// Test label values endpoint
 	toEncode = NewLabelRequest(start, end, `{foo="bar"}`, "__name__", "/loki/api/v1/label/__name__/values")
 	got, err = DefaultCodec.EncodeRequest(ctx, toEncode)
 	require.NoError(t, err)
@@ -912,21 +916,43 @@ func Test_codec_labels_EncodeRequest(t *testing.T) {
 
 func Test_codec_labels_DecodeRequest(t *testing.T) {
 	ctx := user.InjectOrgID(context.Background(), "1")
-	u, err := url.Parse(`/loki/api/v1/label/__name__/values?start=1575285010000000010&end=1575288610000000010&query={foo="bar"}`)
+
+	// Test labels endpoint
+	u, err := url.Parse(`/loki/api/v1/labels?start=1575285010000000010&end=1575288610000000010&query={foo="bar"}`)
 	require.NoError(t, err)
 
 	r := &http.Request{URL: u}
-	r = mux.SetURLVars(r, map[string]string{"name": "__name__"})
 	req, err := DefaultCodec.DecodeRequest(context.TODO(), r, nil)
 	require.NoError(t, err)
 	require.Equal(t, start, *req.(*LabelRequest).Start)
 	require.Equal(t, end, *req.(*LabelRequest).End)
 	require.Equal(t, `{foo="bar"}`, req.(*LabelRequest).Query)
-	require.Equal(t, "/loki/api/v1/label/__name__/values", req.(*LabelRequest).Path())
+	require.Equal(t, "/loki/api/v1/labels", req.(*LabelRequest).Path())
 
 	got, err := DefaultCodec.EncodeRequest(ctx, req)
 	require.NoError(t, err)
 	require.Equal(t, ctx, got.Context())
+	require.Equal(t, "/loki/api/v1/labels", got.URL.Path)
+	require.Equal(t, fmt.Sprintf("%d", start.UnixNano()), got.URL.Query().Get("start"))
+	require.Equal(t, fmt.Sprintf("%d", end.UnixNano()), got.URL.Query().Get("end"))
+	require.Equal(t, `{foo="bar"}`, got.URL.Query().Get("query"))
+
+	// Test label values endpoint
+	u, err = url.Parse(`/loki/api/v1/label/__name__/values?start=1575285010000000010&end=1575288610000000010&query={foo="bar"}`)
+	require.NoError(t, err)
+
+	r = &http.Request{URL: u}
+	r = mux.SetURLVars(r, map[string]string{"name": "__name__"})
+	req, err = DefaultCodec.DecodeRequest(context.TODO(), r, nil)
+	require.NoError(t, err)
+	require.Equal(t, start, *req.(*LabelRequest).Start)
+	require.Equal(t, end, *req.(*LabelRequest).End)
+	require.Equal(t, `{foo="bar"}`, req.(*LabelRequest).Query)
+	require.Equal(t, "/loki/api/v1/label/__name__/values", req.(*LabelRequest).Path())
+
+	got, err = DefaultCodec.EncodeRequest(ctx, req)
+	require.NoError(t, err)
+	require.Equal(t, ctx, got.Context())
 	require.Equal(t, "/loki/api/v1/label/__name__/values", got.URL.Path)
 	require.Equal(t, fmt.Sprintf("%d", start.UnixNano()), got.URL.Query().Get("start"))
 	require.Equal(t, fmt.Sprintf("%d", end.UnixNano()), got.URL.Query().Get("end"))
diff --git a/pkg/querier/queryrange/labels_cache.go b/pkg/querier/queryrange/labels_cache.go
index 5979a0c2f91e1..2b946760aa1fd 100644
--- a/pkg/querier/queryrange/labels_cache.go
+++ b/pkg/querier/queryrange/labels_cache.go
@@ -61,7 +61,7 @@ func (i cacheKeyLabels) GenerateCacheKey(ctx context.Context, userID string, r r
 		return fmt.Sprintf("labelvalues:%s:%s:%s:%d:%d", userID, lr.GetName(), lr.GetQuery(), currentInterval, split)
 	}
 
-	return fmt.Sprintf("labels:%s:%d:%d", userID, currentInterval, split)
+	return fmt.Sprintf("labels:%s:%s:%d:%d", userID, lr.GetQuery(), currentInterval, split)
 }
 
 type labelsExtractor struct{}
diff --git a/pkg/querier/queryrange/labels_cache_test.go b/pkg/querier/queryrange/labels_cache_test.go
index 22e967a113762..d73f90cb63095 100644
--- a/pkg/querier/queryrange/labels_cache_test.go
+++ b/pkg/querier/queryrange/labels_cache_test.go
@@ -43,13 +43,17 @@ func TestCacheKeyLabels_GenerateCacheKey(t *testing.T) {
 	expectedInterval := testTime.UnixMilli() / time.Hour.Milliseconds()
 
 	t.Run("labels", func(t *testing.T) {
-		require.Equal(t, fmt.Sprintf(`labels:fake:%d:%d`, expectedInterval, time.Hour.Nanoseconds()), k.GenerateCacheKey(context.Background(), "fake", &req))
+		require.Equal(t, fmt.Sprintf(`labels:fake::%d:%d`, expectedInterval, time.Hour.Nanoseconds()), k.GenerateCacheKey(context.Background(), "fake", &req))
+
+		req.Query = `{cluster="eu-west1"}`
+		require.Equal(t, fmt.Sprintf(`labels:fake:{cluster="eu-west1"}:%d:%d`, expectedInterval, time.Hour.Nanoseconds()), k.GenerateCacheKey(context.Background(), "fake", &req))
 	})
 
 	t.Run("label values", func(t *testing.T) {
 		req := req
 		req.Name = "foo"
 		req.Values = true
+		req.Query = ``
 		require.Equal(t, fmt.Sprintf(`labelvalues:fake:foo::%d:%d`, expectedInterval, time.Hour.Nanoseconds()), k.GenerateCacheKey(context.Background(), "fake", &req))
 
 		req.Query = `{cluster="eu-west1"}`
@@ -361,20 +365,20 @@ func TestLabelQueryCacheKey(t *testing.T) {
 			t.Run(fmt.Sprintf("%s (values: %v)", tc.name, values), func(t *testing.T) {
 				keyGen := cacheKeyLabels{tc.limits, nil}
 
+				const labelName = "foo"
+				const query = `{cluster="eu-west1"}`
+
 				r := &LabelRequest{
 					LabelRequest: logproto.LabelRequest{
 						Start: &tc.start,
 						End:   &tc.end,
+						Query: query,
 					},
 				}
 
-				const labelName = "foo"
-				const query = `{cluster="eu-west1"}`
-
 				if values {
 					r.LabelRequest.Values = true
 					r.LabelRequest.Name = labelName
-					r.LabelRequest.Query = query
 				}
 
 				// we use regex here because cache key always refers to the current time to get the ingester query window,
@@ -383,7 +387,7 @@ func TestLabelQueryCacheKey(t *testing.T) {
 				if values {
 					pattern = regexp.MustCompile(fmt.Sprintf(`labelvalues:%s:%s:%s:(\d+):%d`, tenantID, labelName, regexp.QuoteMeta(query), tc.expectedSplit))
 				} else {
-					pattern = regexp.MustCompile(fmt.Sprintf(`labels:%s:(\d+):%d`, tenantID, tc.expectedSplit))
+					pattern = regexp.MustCompile(fmt.Sprintf(`labels:%s:%s:(\d+):%d`, tenantID, regexp.QuoteMeta(query), tc.expectedSplit))
 				}
 
 				require.Regexp(t, pattern, keyGen.GenerateCacheKey(context.Background(), tenantID, r))
diff --git a/pkg/storage/stores/composite_store.go b/pkg/storage/stores/composite_store.go
index 62ba7f12df8ad..b975873c3043d 100644
--- a/pkg/storage/stores/composite_store.go
+++ b/pkg/storage/stores/composite_store.go
@@ -149,10 +149,10 @@ func (c CompositeStore) LabelValuesForMetricName(ctx context.Context, userID str
 }
 
 // LabelNamesForMetricName retrieves all label names for a metric name.
-func (c CompositeStore) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error) {
+func (c CompositeStore) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error) {
 	var result util.UniqueStrings
 	err := c.forStores(ctx, from, through, func(innerCtx context.Context, from, through model.Time, store Store) error {
-		labelNames, err := store.LabelNamesForMetricName(innerCtx, userID, from, through, metricName)
+		labelNames, err := store.LabelNamesForMetricName(innerCtx, userID, from, through, metricName, matchers...)
 		if err != nil {
 			return err
 		}
diff --git a/pkg/storage/stores/composite_store_entry.go b/pkg/storage/stores/composite_store_entry.go
index fd214543ef03d..2c6e3c5e4a90c 100644
--- a/pkg/storage/stores/composite_store_entry.go
+++ b/pkg/storage/stores/composite_store_entry.go
@@ -108,7 +108,7 @@ func (c *storeEntry) SetChunkFilterer(chunkFilter chunk.RequestChunkFilterer) {
 }
 
 // LabelNamesForMetricName retrieves all label names for a metric name.
-func (c *storeEntry) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error) {
+func (c *storeEntry) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error) {
 	sp, ctx := opentracing.StartSpanFromContext(ctx, "SeriesStore.LabelNamesForMetricName")
 	defer sp.Finish()
 	log := spanlogger.FromContext(ctx)
@@ -122,7 +122,7 @@ func (c *storeEntry) LabelNamesForMetricName(ctx context.Context, userID string,
 	}
 	level.Debug(log).Log("metric", metricName)
 
-	return c.indexReader.LabelNamesForMetricName(ctx, userID, from, through, metricName)
+	return c.indexReader.LabelNamesForMetricName(ctx, userID, from, through, metricName, matchers...)
 }
 
 func (c *storeEntry) LabelValuesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, labelName string, matchers ...*labels.Matcher) ([]string, error) {
diff --git a/pkg/storage/stores/composite_store_test.go b/pkg/storage/stores/composite_store_test.go
index 203057c60845f..ab44f6b69d3c2 100644
--- a/pkg/storage/stores/composite_store_test.go
+++ b/pkg/storage/stores/composite_store_test.go
@@ -45,7 +45,7 @@ func (m mockStore) GetSeries(_ context.Context, _ string, _, _ model.Time, _ ...
 	return nil, nil
 }
 
-func (m mockStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string) ([]string, error) {
+func (m mockStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string, _ ...*labels.Matcher) ([]string, error) {
 	return nil, nil
 }
 
@@ -210,7 +210,7 @@ func (m mockStoreLabel) LabelValuesForMetricName(_ context.Context, _ string, _,
 	return m.values, nil
 }
 
-func (m mockStoreLabel) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string) ([]string, error) {
+func (m mockStoreLabel) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string, _ ...*labels.Matcher) ([]string, error) {
 	return m.values, nil
 }
 
diff --git a/pkg/storage/stores/index/index.go b/pkg/storage/stores/index/index.go
index 99e5b35978837..4014fca8c3e7b 100644
--- a/pkg/storage/stores/index/index.go
+++ b/pkg/storage/stores/index/index.go
@@ -25,7 +25,7 @@ type Filterable interface {
 type BaseReader interface {
 	GetSeries(ctx context.Context, userID string, from, through model.Time, matchers ...*labels.Matcher) ([]labels.Labels, error)
 	LabelValuesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, labelName string, matchers ...*labels.Matcher) ([]string, error)
-	LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error)
+	LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error)
 }
 
 type StatsReader interface {
@@ -112,11 +112,11 @@ func (m MonitoredReaderWriter) LabelValuesForMetricName(ctx context.Context, use
 	return values, nil
 }
 
-func (m MonitoredReaderWriter) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error) {
+func (m MonitoredReaderWriter) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error) {
 	var values []string
 	if err := loki_instrument.TimeRequest(ctx, "label_names", instrument.NewHistogramCollector(m.metrics.indexQueryLatency), instrument.ErrorCode, func(ctx context.Context) error {
 		var err error
-		values, err = m.rw.LabelNamesForMetricName(ctx, userID, from, through, metricName)
+		values, err = m.rw.LabelNamesForMetricName(ctx, userID, from, through, metricName, matchers...)
 		return err
 	}); err != nil {
 		return nil, err
diff --git a/pkg/storage/stores/series/series_index_gateway_store.go b/pkg/storage/stores/series/series_index_gateway_store.go
index b58979bd11a13..0202494ae6e1d 100644
--- a/pkg/storage/stores/series/series_index_gateway_store.go
+++ b/pkg/storage/stores/series/series_index_gateway_store.go
@@ -80,11 +80,12 @@ func (c *IndexGatewayClientStore) GetSeries(ctx context.Context, _ string, from,
 }
 
 // LabelNamesForMetricName retrieves all label names for a metric name.
-func (c *IndexGatewayClientStore) LabelNamesForMetricName(ctx context.Context, _ string, from, through model.Time, metricName string) ([]string, error) {
+func (c *IndexGatewayClientStore) LabelNamesForMetricName(ctx context.Context, _ string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error) {
 	resp, err := c.client.LabelNamesForMetricName(ctx, &logproto.LabelNamesForMetricNameRequest{
 		MetricName: metricName,
 		From:       from,
 		Through:    through,
+		Matchers:   (&syntax.MatchersExpr{Mts: matchers}).String(),
 	})
 	if err != nil {
 		return nil, err
diff --git a/pkg/storage/stores/series/series_index_store.go b/pkg/storage/stores/series/series_index_store.go
index 535f6a5249501..c3ef58266e82f 100644
--- a/pkg/storage/stores/series/series_index_store.go
+++ b/pkg/storage/stores/series/series_index_store.go
@@ -316,14 +316,14 @@ func (c *IndexReaderWriter) chunksToSeries(ctx context.Context, in []logproto.Ch
 }
 
 // LabelNamesForMetricName retrieves all label names for a metric name.
-func (c *IndexReaderWriter) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string) ([]string, error) {
+func (c *IndexReaderWriter) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, metricName string, matchers ...*labels.Matcher) ([]string, error) {
 	sp, ctx := opentracing.StartSpanFromContext(ctx, "SeriesStore.LabelNamesForMetricName")
 	defer sp.Finish()
 	log := spanlogger.FromContext(ctx)
 	defer log.Span.Finish()
 
 	// Fetch the series IDs from the index
-	seriesIDs, err := c.lookupSeriesByMetricNameMatchers(ctx, from, through, userID, metricName, nil)
+	seriesIDs, err := c.lookupSeriesByMetricNameMatchers(ctx, from, through, userID, metricName, matchers)
 	if err != nil {
 		return nil, err
 	}
diff --git a/pkg/storage/stores/series/series_store_test.go b/pkg/storage/stores/series/series_store_test.go
index f5948e8ef60d0..15ecb1623eebb 100644
--- a/pkg/storage/stores/series/series_store_test.go
+++ b/pkg/storage/stores/series/series_store_test.go
@@ -246,14 +246,24 @@ func TestChunkStore_LabelNamesForMetricName(t *testing.T) {
 	for _, tc := range []struct {
 		metricName string
 		expect     []string
+		matchers   []*labels.Matcher
 	}{
 		{
 			`foo`,
 			[]string{"bar", "flip", "toms"},
+			nil,
 		},
 		{
 			`bar`,
 			[]string{"bar", "toms"},
+			nil,
+		},
+		{
+			`foo`,
+			[]string{"bar", "toms"},
+			[]*labels.Matcher{
+				labels.MustNewMatcher(labels.MatchRegexp, "bar", "beep"),
+			},
 		},
 	} {
 		for _, schema := range schemas {
@@ -286,7 +296,7 @@ func TestChunkStore_LabelNamesForMetricName(t *testing.T) {
 					}
 
 					// Query with ordinary time-range
-					labelNames1, err := store.LabelNamesForMetricName(ctx, userID, now.Add(-time.Hour), now, tc.metricName)
+					labelNames1, err := store.LabelNamesForMetricName(ctx, userID, now.Add(-time.Hour), now, tc.metricName, tc.matchers...)
 					require.NoError(t, err)
 
 					if !reflect.DeepEqual(tc.expect, labelNames1) {
@@ -294,7 +304,7 @@ func TestChunkStore_LabelNamesForMetricName(t *testing.T) {
 					}
 
 					// Pushing end of time-range into future should yield exact same resultset
-					labelNames2, err := store.LabelNamesForMetricName(ctx, userID, now.Add(-time.Hour), now.Add(time.Hour*24*10), tc.metricName)
+					labelNames2, err := store.LabelNamesForMetricName(ctx, userID, now.Add(-time.Hour), now.Add(time.Hour*24*10), tc.metricName, tc.matchers...)
 					require.NoError(t, err)
 
 					if !reflect.DeepEqual(tc.expect, labelNames2) {
@@ -302,7 +312,7 @@ func TestChunkStore_LabelNamesForMetricName(t *testing.T) {
 					}
 
 					// Query with both begin & end of time-range in future should yield empty resultset
-					labelNames3, err := store.LabelNamesForMetricName(ctx, userID, now.Add(time.Hour), now.Add(time.Hour*2), tc.metricName)
+					labelNames3, err := store.LabelNamesForMetricName(ctx, userID, now.Add(time.Hour), now.Add(time.Hour*2), tc.metricName, tc.matchers...)
 					require.NoError(t, err)
 					if len(labelNames3) != 0 {
 						t.Fatalf("%s: future query should yield empty resultset ... actually got %v label names: %#v",
diff --git a/pkg/storage/stores/shipper/indexshipper/tsdb/index_client.go b/pkg/storage/stores/shipper/indexshipper/tsdb/index_client.go
index 47d33fe632faf..4eade57899101 100644
--- a/pkg/storage/stores/shipper/indexshipper/tsdb/index_client.go
+++ b/pkg/storage/stores/shipper/indexshipper/tsdb/index_client.go
@@ -170,8 +170,8 @@ func (c *IndexClient) LabelValuesForMetricName(ctx context.Context, userID strin
 }
 
 // tsdb no longer uses the __metric_name__="logs" hack, so we can ignore metric names!
-func (c *IndexClient) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, _ string) ([]string, error) {
-	return c.idx.LabelNames(ctx, userID, from, through)
+func (c *IndexClient) LabelNamesForMetricName(ctx context.Context, userID string, from, through model.Time, _ string, matchers ...*labels.Matcher) ([]string, error) {
+	return c.idx.LabelNames(ctx, userID, from, through, matchers...)
 }
 
 func (c *IndexClient) Stats(ctx context.Context, userID string, from, through model.Time, matchers ...*labels.Matcher) (*stats.Stats, error) {
diff --git a/pkg/storage/util_test.go b/pkg/storage/util_test.go
index 23f89b7a9dfe2..7c325cc4da6bb 100644
--- a/pkg/storage/util_test.go
+++ b/pkg/storage/util_test.go
@@ -220,7 +220,7 @@ func (m *mockChunkStore) LabelValuesForMetricName(_ context.Context, _ string, _
 	return nil, nil
 }
 
-func (m *mockChunkStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string) ([]string, error) {
+func (m *mockChunkStore) LabelNamesForMetricName(_ context.Context, _ string, _, _ model.Time, _ string, _ ...*labels.Matcher) ([]string, error) {
 	return nil, nil
 }