diff --git a/docs/release-notes/version-2.11.md b/docs/release-notes/version-2.11.md
index 4308a2848..4a6943a57 100644
--- a/docs/release-notes/version-2.11.md
+++ b/docs/release-notes/version-2.11.md
@@ -5,6 +5,7 @@
 ### Bug Fixes
 
 * [#6184](https://github.com/netbox-community/netbox/issues/6184) - Fix parent object table column in prefix IP addresses list
+* [#6188](https://github.com/netbox-community/netbox/issues/6188) - Support custom field filtering for regions, site groups, and locations
 * [#6196](https://github.com/netbox-community/netbox/issues/6196) - Fix object list display for users with read-only permissions
 
 ---
diff --git a/netbox/dcim/forms.py b/netbox/dcim/forms.py
index feb8c5e81..740653a26 100644
--- a/netbox/dcim/forms.py
+++ b/netbox/dcim/forms.py
@@ -230,7 +230,7 @@ class RegionBulkEditForm(BootstrapMixin, CustomFieldBulkEditForm):
         nullable_fields = ['parent', 'description']
 
 
-class RegionFilterForm(BootstrapMixin, forms.Form):
+class RegionFilterForm(BootstrapMixin, CustomFieldFilterForm):
     model = Site
     q = forms.CharField(
         required=False,
@@ -287,8 +287,8 @@ class SiteGroupBulkEditForm(BootstrapMixin, CustomFieldBulkEditForm):
         nullable_fields = ['parent', 'description']
 
 
-class SiteGroupFilterForm(BootstrapMixin, forms.Form):
-    model = Site
+class SiteGroupFilterForm(BootstrapMixin, CustomFieldFilterForm):
+    model = SiteGroup
     q = forms.CharField(
         required=False,
         label=_('Search')
@@ -557,7 +557,8 @@ class LocationBulkEditForm(BootstrapMixin, CustomFieldBulkEditForm):
         nullable_fields = ['parent', 'description']
 
 
-class LocationFilterForm(BootstrapMixin, forms.Form):
+class LocationFilterForm(BootstrapMixin, CustomFieldFilterForm):
+    model = Location
     region_id = DynamicModelMultipleChoiceField(
         queryset=Region.objects.all(),
         required=False,