diff --git a/docs/markdown/snippets/additional_types_for_fs_module.md b/docs/markdown/snippets/additional_types_for_fs_module.md
new file mode 100644
index 000000000000..cb5945886e71
--- /dev/null
+++ b/docs/markdown/snippets/additional_types_for_fs_module.md
@@ -0,0 +1,8 @@
+## Added support for `[[@build_tgt]]`, `[[@custom_tgt]]`, and `[[@custom_idx]]` to certain FS module functions
+
+Support for `[[@build_tgt]]`, `[[@custom_tgt]]`, and `[[@custom_idx]]` was
+added to the following FS module APIs:
+
+- `fs.name`
+- `fs.parent`
+- `fs.replace_suffix`
diff --git a/mesonbuild/modules/fs.py b/mesonbuild/modules/fs.py
index 8e48d29b16e9..9170ba382314 100644
--- a/mesonbuild/modules/fs.py
+++ b/mesonbuild/modules/fs.py
@@ -189,38 +189,46 @@ def is_samepath(self, state: 'ModuleState', args: T.Tuple['FileOrString', 'FileO
             return False
 
     @noKwargs
-    @typed_pos_args('fs.replace_suffix', (str, File), str)
-    def replace_suffix(self, state: 'ModuleState', args: T.Tuple['FileOrString', str], kwargs: T.Dict[str, T.Any]) -> str:
+    @typed_pos_args('fs.replace_suffix', (str, File, CustomTarget, CustomTargetIndex, BuildTarget), str)
+    def replace_suffix(self, state: 'ModuleState', args: T.Tuple[T.Union[FileOrString, BuildTargetTypes], str], kwargs: T.Dict[str, T.Any]) -> str:
         if isinstance(args[0], File):
             FeatureNew('fs.replace_suffix(file)', '0.59.0').use(state.subproject, location=state.current_node)
+        elif isinstance(args[0], (CustomTarget, CustomTargetIndex, BuildTarget)):
+            FeatureNew('fs.replace_suffix(build_tgt, custom_tgt, custom_idx)', '1.3.0').use(state.subproject, location=state.current_node)
         original = PurePath(str(args[0]))
         new = original.with_suffix(args[1])
         return str(new)
 
     @noKwargs
-    @typed_pos_args('fs.parent', (str, File))
-    def parent(self, state: 'ModuleState', args: T.Tuple['FileOrString'], kwargs: T.Dict[str, T.Any]) -> str:
+    @typed_pos_args('fs.parent', (str, File, CustomTarget, CustomTargetIndex, BuildTarget))
+    def parent(self, state: 'ModuleState', args: T.Tuple[T.Union[FileOrString, BuildTargetTypes]], kwargs: T.Dict[str, T.Any]) -> str:
         if isinstance(args[0], File):
             FeatureNew('fs.parent(file)', '0.59.0').use(state.subproject, location=state.current_node)
+        elif isinstance(args[0], (CustomTarget, CustomTargetIndex, BuildTarget)):
+            FeatureNew('fs.parent(build_tgt | custom_tgt | custom_idx)', '1.3.0').use(state.subproject, location=state.current_node)
         original = PurePath(str(args[0]))
         new = original.parent
         return str(new)
 
     @noKwargs
-    @typed_pos_args('fs.name', (str, File))
-    def name(self, state: 'ModuleState', args: T.Tuple['FileOrString'], kwargs: T.Dict[str, T.Any]) -> str:
+    @typed_pos_args('fs.name', (str, File, CustomTarget, CustomTargetIndex, BuildTarget))
+    def name(self, state: 'ModuleState', args: T.Tuple[T.Union[FileOrString, BuildTargetTypes]], kwargs: T.Dict[str, T.Any]) -> str:
         if isinstance(args[0], File):
             FeatureNew('fs.name(file)', '0.59.0').use(state.subproject, location=state.current_node)
+        elif isinstance(args[0], (CustomTarget, CustomTargetIndex, BuildTarget)):
+            FeatureNew('fs.name(build_tgt | custom_tgt | custom_idx)', '1.3.0').use(state.subproject, location=state.current_node)
         original = PurePath(str(args[0]))
         new = original.name
         return str(new)
 
     @noKwargs
-    @typed_pos_args('fs.stem', (str, File))
+    @typed_pos_args('fs.stem', (str, File, CustomTarget, CustomTargetIndex, BuildTarget))
     @FeatureNew('fs.stem', '0.54.0')
-    def stem(self, state: 'ModuleState', args: T.Tuple['FileOrString'], kwargs: T.Dict[str, T.Any]) -> str:
+    def stem(self, state: 'ModuleState', args: T.Tuple[T.Union[FileOrString, BuildTargetTypes]], kwargs: T.Dict[str, T.Any]) -> str:
         if isinstance(args[0], File):
             FeatureNew('fs.stem(file)', '0.59.0').use(state.subproject, location=state.current_node)
+        elif isinstance(args[0], (CustomTarget, CustomTargetIndex, BuildTarget)):
+            FeatureNew('fs.stem(build_tgt | custom_tgt | custom_idx)', '1.3.0').use(state.subproject, location=state.current_node)
         original = PurePath(str(args[0]))
         new = original.stem
         return str(new)