diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index f076f8d79f104..5ba382bf66bb7 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -32,6 +32,7 @@
     Appender,
     Substitution,
     doc,
+    set_module,
 )
 from pandas.util._exceptions import find_stack_level
 
@@ -108,6 +109,7 @@
 ScalarResult = TypeVar("ScalarResult")
 
 
+@set_module("pandas")
 class NamedAgg(NamedTuple):
     """
     Helper for column specific aggregation with control over output column names.
@@ -142,6 +144,7 @@ class NamedAgg(NamedTuple):
     aggfunc: AggScalar
 
 
+@set_module("pandas.api.typing")
 class SeriesGroupBy(GroupBy[Series]):
     def _wrap_agged_manager(self, mgr: Manager) -> Series:
         out = self.obj._constructor_from_mgr(mgr, axes=mgr.axes)
@@ -1555,6 +1558,7 @@ def unique(self) -> Series:
         return result
 
 
+@set_module("pandas.api.typing")
 class DataFrameGroupBy(GroupBy[DataFrame]):
     _agg_examples_doc = dedent(
         """
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index 54e0453ed569b..2a96ef35c981c 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -420,3 +420,6 @@ def test_set_module():
     assert pd.Series.__module__ == "pandas"
     assert pd.date_range.__module__ == "pandas"
     assert pd.bdate_range.__module__ == "pandas"
+    assert pd.NamedAgg.__module__ == "pandas"
+    assert api.typing.SeriesGroupBy.__module__ == "pandas.api.typing"
+    assert api.typing.DataFrameGroupBy.__module__ == "pandas.api.typing"