diff --git a/django/contrib/admin/options.py b/django/contrib/admin/options.py
index 69a5fbf389..db7df891e3 100644
--- a/django/contrib/admin/options.py
+++ b/django/contrib/admin/options.py
@@ -249,16 +249,17 @@ class BaseModelAdmin(metaclass=forms.MediaDefiningClass):
             return None
         db = kwargs.get('using')
 
-        autocomplete_fields = self.get_autocomplete_fields(request)
-        if db_field.name in autocomplete_fields:
-            kwargs['widget'] = AutocompleteSelectMultiple(db_field.remote_field, self.admin_site, using=db)
-        elif db_field.name in self.raw_id_fields:
-            kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
-        elif db_field.name in [*self.filter_vertical, *self.filter_horizontal]:
-            kwargs['widget'] = widgets.FilteredSelectMultiple(
-                db_field.verbose_name,
-                db_field.name in self.filter_vertical
-            )
+        if 'widget' not in kwargs:
+            autocomplete_fields = self.get_autocomplete_fields(request)
+            if db_field.name in autocomplete_fields:
+                kwargs['widget'] = AutocompleteSelectMultiple(db_field.remote_field, self.admin_site, using=db)
+            elif db_field.name in self.raw_id_fields:
+                kwargs['widget'] = widgets.ManyToManyRawIdWidget(db_field.remote_field, self.admin_site, using=db)
+            elif db_field.name in [*self.filter_vertical, *self.filter_horizontal]:
+                kwargs['widget'] = widgets.FilteredSelectMultiple(
+                    db_field.verbose_name,
+                    db_field.name in self.filter_vertical
+                )
 
         if 'queryset' not in kwargs:
             queryset = self.get_field_queryset(db, db_field, request)
diff --git a/tests/admin_widgets/tests.py b/tests/admin_widgets/tests.py
index 719d0d8095..96e0d7ff0d 100644
--- a/tests/admin_widgets/tests.py
+++ b/tests/admin_widgets/tests.py
@@ -184,6 +184,44 @@ class AdminFormfieldForDBFieldTests(SimpleTestCase):
             'Hold down “Control”, or “Command” on a Mac, to select more than one.'
         )
 
+    def test_formfield_for_manytomany_widget_override(self):
+        """
+        The widget can be overridden in formfield_for_manytomany().
+        """
+        class BandAdmin(admin.ModelAdmin):
+            def formfield_for_manytomany(self, db_field, request, **kwargs):
+                if db_field.name == 'members':
+                    kwargs['widget'] = forms.CheckboxSelectMultiple
+                return super().formfield_for_manytomany(db_field, request, **kwargs)
+
+        ma = BandAdmin(Band, admin.site)
+        ff = ma.formfield_for_dbfield(Band._meta.get_field('members'), request=None)
+        # Unwrap the widget wrapper if needed
+        if isinstance(ff.widget, widgets.RelatedFieldWidgetWrapper):
+            widget = ff.widget.widget
+        else:
+            widget = ff.widget
+        self.assertIsInstance(widget, forms.CheckboxSelectMultiple)
+
+    def test_formfield_for_foreignkey_widget_override(self):
+        """
+        The widget can be overridden in formfield_for_foreignkey().
+        """
+        class EventAdmin(admin.ModelAdmin):
+            def formfield_for_foreignkey(self, db_field, request, **kwargs):
+                if db_field.name == 'main_band':
+                    kwargs['widget'] = forms.RadioSelect
+                return super().formfield_for_foreignkey(db_field, request, **kwargs)
+
+        ma = EventAdmin(Event, admin.site)
+        ff = ma.formfield_for_dbfield(Event._meta.get_field('main_band'), request=None)
+        # Unwrap the widget wrapper
+        if isinstance(ff.widget, widgets.RelatedFieldWidgetWrapper):
+            widget = ff.widget.widget
+        else:
+            widget = ff.widget
+        self.assertIsInstance(widget, forms.RadioSelect)
+
 
 @override_settings(ROOT_URLCONF='admin_widgets.urls')
 class AdminFormfieldForDBFieldWithRequestTests(TestDataMixin, TestCase):