diff --git a/coverage/lcovreport.py b/coverage/lcovreport.py
index 7f7953ddc..1b33665c1 100644
--- a/coverage/lcovreport.py
+++ b/coverage/lcovreport.py
@@ -53,6 +53,43 @@ def lcov_lines(
         outfile.write(f"LH:{analysis.numbers.n_executed}\n")
 
 
+def lcov_functions(
+    fr: FileReporter,
+    file_analysis: Analysis,
+    outfile: IO[str],
+) -> None:
+    """Emit function coverage records for an analyzed file."""
+    # lcov 2.2 introduces a new format for function coverage records.
+    # We continue to generate the old format because we don't know what
+    # version of the lcov tools will be used to read this report.
+
+    # suppressions because of https://github.com/pylint-dev/pylint/issues/9923
+    functions = [
+        (min(region.start, min(region.lines)), #pylint: disable=nested-min-max
+         max(region.start, max(region.lines)), #pylint: disable=nested-min-max
+         region)
+        for region in fr.code_regions()
+        if region.kind == "function"
+    ]
+    if not functions:
+        return
+
+    functions.sort()
+    functions_hit = 0
+    for first_line, last_line, region in functions:
+        # A function counts as having been executed if any of it has been
+        # executed.
+        analysis = file_analysis.narrow(region.lines)
+        hit = int(analysis.numbers.n_executed > 0)
+        functions_hit += hit
+
+        outfile.write(f"FN:{first_line},{last_line},{region.name}\n")
+        outfile.write(f"FNDA:{hit},{region.name}\n")
+
+    outfile.write(f"FNF:{len(functions)}\n")
+    outfile.write(f"FNH:{functions_hit}\n")
+
+
 def lcov_arcs(
     analysis: Analysis,
     lines: list[int],
@@ -177,7 +214,7 @@ def lcov_file(
             source_lines = []
 
         lcov_lines(analysis, lines, source_lines, outfile)
-
+        lcov_functions(fr, analysis, outfile)
         if analysis.has_arcs:
             lcov_arcs(analysis, lines, outfile)
 
diff --git a/tests/test_lcov.py b/tests/test_lcov.py
index 5c2061dc2..17271cef0 100644
--- a/tests/test_lcov.py
+++ b/tests/test_lcov.py
@@ -64,6 +64,12 @@ def IsItTrue():
             DA:5,0
             LF:4
             LH:2
+            FN:1,2,cuboid_volume
+            FNDA:0,cuboid_volume
+            FN:4,5,IsItTrue
+            FNDA:0,IsItTrue
+            FNF:2
+            FNH:0
             end_of_record
             """)
         self.assert_doesnt_exist(".coverage")
@@ -96,6 +102,12 @@ def IsItTrue():
             DA:5,0,LWILTcvARcydjFFyo9qM0A
             LF:4
             LH:2
+            FN:1,2,cuboid_volume
+            FNDA:0,cuboid_volume
+            FN:4,5,IsItTrue
+            FNDA:0,IsItTrue
+            FNF:2
+            FNH:0
             end_of_record
             """)
         actual_result = self.get_lcov_report_content()
@@ -120,6 +132,12 @@ def test_simple_line_coverage_two_files(self) -> None:
             DA:5,0
             LF:4
             LH:2
+            FN:1,2,cuboid_volume
+            FNDA:0,cuboid_volume
+            FN:4,5,IsItTrue
+            FNDA:0,IsItTrue
+            FNF:2
+            FNH:0
             end_of_record
             SF:test_file.py
             DA:1,1
@@ -132,6 +150,10 @@ def test_simple_line_coverage_two_files(self) -> None:
             DA:9,0
             LF:8
             LH:4
+            FN:5,9,TestCuboid.test_volume
+            FNDA:0,TestCuboid.test_volume
+            FNF:1
+            FNH:0
             end_of_record
             """)
         actual_result = self.get_lcov_report_content(filename="data.lcov")
@@ -160,6 +182,10 @@ def is_it_x(x):
             DA:5,0
             LF:4
             LH:1
+            FN:1,5,is_it_x
+            FNDA:0,is_it_x
+            FNF:1
+            FNH:0
             BRDA:2,0,to line 3,-
             BRDA:2,0,to line 5,-
             BRF:2
@@ -203,6 +229,10 @@ def test_is_it_x(self):
             DA:5,0
             LF:4
             LH:1
+            FN:1,5,is_it_x
+            FNDA:0,is_it_x
+            FNF:1
+            FNH:0
             BRDA:2,0,to line 3,-
             BRDA:2,0,to line 5,-
             BRF:2
@@ -217,6 +247,10 @@ def test_is_it_x(self):
             DA:7,0
             LF:6
             LH:4
+            FN:5,7,TestIsItX.test_is_it_x
+            FNDA:0,TestIsItX.test_is_it_x
+            FNF:1
+            FNH:0
             end_of_record
             """)
         actual_result = self.get_lcov_report_content()
@@ -348,6 +382,10 @@ def foo(a):
             DA:7,1
             LF:7
             LH:7
+            FN:1,3,foo
+            FNDA:1,foo
+            FNF:1
+            FNH:1
             BRDA:2,0,to line 3,1
             BRDA:2,0,to exit,1
             BRF:2
@@ -381,6 +419,10 @@ def foo(a):
             DA:7,1
             LF:7
             LH:7
+            FN:1,3,foo
+            FNDA:1,foo
+            FNF:1
+            FNH:1
             BRDA:2,0,to line 3,1
             BRDA:2,0,to exit 1,1
             BRDA:2,0,to exit 2,1