diff --git a/pandas/core/tools/datetimes.py b/pandas/core/tools/datetimes.py
index 3156abc1e4bf6..f353a3f7dc2cb 100644
--- a/pandas/core/tools/datetimes.py
+++ b/pandas/core/tools/datetimes.py
@@ -41,6 +41,7 @@
     ArrayLike,
     DateTimeErrorChoices,
 )
+from pandas.util._decorators import set_module
 from pandas.util._exceptions import find_stack_level
 
 from pandas.core.dtypes.common import (
@@ -666,6 +667,7 @@ def to_datetime(
 ) -> DatetimeIndex: ...
 
 
+@set_module("pandas")
 def to_datetime(
     arg: DatetimeScalarOrArrayConvertible | DictConvertible,
     errors: DateTimeErrorChoices = "raise",
diff --git a/pandas/core/tools/numeric.py b/pandas/core/tools/numeric.py
index 54f4be1cb87b0..14921457194ca 100644
--- a/pandas/core/tools/numeric.py
+++ b/pandas/core/tools/numeric.py
@@ -15,6 +15,7 @@
     Timedelta,
     Timestamp,
 )
+from pandas.util._decorators import set_module
 from pandas.util._validators import check_dtype_backend
 
 from pandas.core.dtypes.cast import maybe_downcast_numeric
@@ -46,6 +47,7 @@
     )
 
 
+@set_module("pandas")
 def to_numeric(
     arg,
     errors: DateTimeErrorChoices = "raise",
diff --git a/pandas/core/tools/timedeltas.py b/pandas/core/tools/timedeltas.py
index dcadb9c24c213..2dc5e29308214 100644
--- a/pandas/core/tools/timedeltas.py
+++ b/pandas/core/tools/timedeltas.py
@@ -22,6 +22,7 @@
     disallow_ambiguous_unit,
     parse_timedelta_unit,
 )
+from pandas.util._decorators import set_module
 
 from pandas.core.dtypes.common import is_list_like
 from pandas.core.dtypes.dtypes import ArrowDtype
@@ -73,6 +74,7 @@ def to_timedelta(
 ) -> TimedeltaIndex: ...
 
 
+@set_module("pandas")
 def to_timedelta(
     arg: str
     | int
diff --git a/pandas/tests/api/test_api.py b/pandas/tests/api/test_api.py
index 49c5daee9fc43..053c268dd8503 100644
--- a/pandas/tests/api/test_api.py
+++ b/pandas/tests/api/test_api.py
@@ -453,6 +453,9 @@ def test_set_module():
     assert pd.date_range.__module__ == "pandas"
     assert pd.bdate_range.__module__ == "pandas"
     assert pd.timedelta_range.__module__ == "pandas"
+    assert pd.to_datetime.__module__ == "pandas"
+    assert pd.to_timedelta.__module__ == "pandas"
+    assert pd.to_numeric.__module__ == "pandas"
     assert pd.NamedAgg.__module__ == "pandas"
     assert api.typing.SeriesGroupBy.__module__ == "pandas.api.typing"
     assert api.typing.DataFrameGroupBy.__module__ == "pandas.api.typing"