diff --git a/pandas/core/series.py b/pandas/core/series.py
index 87d419d1f3d41..37fb6616ef746 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1760,7 +1760,7 @@ def _set_name(self, name, inplace=False) -> Series:
         inplace = validate_bool_kwarg(inplace, "inplace")
         ser = self if inplace else self.copy()
         ser.name = name
-        return ser
+        return None if inplace else ser
 
     @Appender(
         """