diff --git a/homeassistant/helpers/area_registry.py b/homeassistant/helpers/area_registry.py
index 975750ebbdd73..6a9ba379f9aab 100644
--- a/homeassistant/helpers/area_registry.py
+++ b/homeassistant/helpers/area_registry.py
@@ -197,8 +197,19 @@ def async_get_area(self, area_id: str) -> AreaEntry | None:
 
     @callback
     def async_get_area_by_name(self, name: str) -> AreaEntry | None:
-        """Get area by name."""
-        return self.areas.get_by_name(name)
+        """Get area by name or alias."""
+        if area := self.areas.get_by_name(name):
+            return area
+
+        # Check aliases
+        normalized_name = normalize_name(name)
+        for area in self.async_list_areas():
+            for alias in area.aliases:
+                normalized_alias = normalize_name(alias)
+                if normalized_name == normalized_alias:
+                    return area
+
+        return None
 
     @callback
     def async_list_areas(self) -> Iterable[AreaEntry]:
@@ -404,8 +415,9 @@ def _async_setup_cleanup(self) -> None:
 
         @callback
         def _removed_from_registry_filter(
-            event_data: fr.EventFloorRegistryUpdatedData
-            | lr.EventLabelRegistryUpdatedData,
+            event_data: (
+                fr.EventFloorRegistryUpdatedData | lr.EventLabelRegistryUpdatedData
+            ),
         ) -> bool:
             """Filter all except for the item removed from registry events."""
             return event_data["action"] == "remove"
diff --git a/homeassistant/helpers/floor_registry.py b/homeassistant/helpers/floor_registry.py
index 9bf8a2a5d2611..5fd8bfaaf690f 100644
--- a/homeassistant/helpers/floor_registry.py
+++ b/homeassistant/helpers/floor_registry.py
@@ -93,8 +93,19 @@ def async_get_floor(self, floor_id: str) -> FloorEntry | None:
 
     @callback
     def async_get_floor_by_name(self, name: str) -> FloorEntry | None:
-        """Get floor by name."""
-        return self.floors.get_by_name(name)
+        """Get floor by name or alias."""
+        if floor := self.floors.get_by_name(name):
+            return floor
+
+        # Check aliases
+        normalized_name = normalize_name(name)
+        for floor in self.async_list_floors():
+            for alias in floor.aliases:
+                normalized_alias = normalize_name(alias)
+                if normalized_name == normalized_alias:
+                    return floor
+
+        return None
 
     @callback
     def async_list_floors(self) -> Iterable[FloorEntry]:
diff --git a/tests/components/config/test_area_registry.py b/tests/components/config/test_area_registry.py
index fb59725fd29a3..75725dfae6ae8 100644
--- a/tests/components/config/test_area_registry.py
+++ b/tests/components/config/test_area_registry.py
@@ -260,3 +260,9 @@ async def test_update_area_with_name_already_in_use(
     assert msg["error"]["code"] == "invalid_info"
     assert msg["error"]["message"] == "The name mock 2 (mock2) is already in use"
     assert len(area_registry.areas) == 2
+
+
+async def test_get_area_by_alias(area_registry: ar.AreaRegistry) -> None:
+    """Test async_get_area_by_name also works with aliases."""
+    area = area_registry.async_create("area 1", aliases={"alias 1"})
+    assert area_registry.async_get_area_by_name("alias 1") == area
diff --git a/tests/components/config/test_floor_registry.py b/tests/components/config/test_floor_registry.py
index b4e3907bc4d7d..770b8807ad971 100644
--- a/tests/components/config/test_floor_registry.py
+++ b/tests/components/config/test_floor_registry.py
@@ -239,3 +239,9 @@ async def test_update_with_name_already_in_use(
         == "The name Second floor (secondfloor) is already in use"
     )
     assert len(floor_registry.floors) == 2
+
+
+async def test_get_floor_by_alias(floor_registry: fr.FloorRegistry) -> None:
+    """Test async_get_floor_by_name also works with aliases."""
+    floor = floor_registry.async_create("floor 1", aliases={"alias 1"})
+    assert floor_registry.async_get_floor_by_name("alias 1") == floor