diff --git a/docs/release-notes/version-3.3.md b/docs/release-notes/version-3.3.md
index 28fd9367d..3a75166c3 100644
--- a/docs/release-notes/version-3.3.md
+++ b/docs/release-notes/version-3.3.md
@@ -6,6 +6,7 @@
 
 * [#10282](https://github.com/netbox-community/netbox/issues/10282) - Enforce advisory locks when allocating available IP addresses to prevent race conditions
 * [#10770](https://github.com/netbox-community/netbox/issues/10282) - Fix social authentication for new users
+* [#10803](https://github.com/netbox-community/netbox/issues/10803) - Fix exception when ordering contacts by number of assignments
 
 ---
 
diff --git a/netbox/tenancy/views.py b/netbox/tenancy/views.py
index e582c15d1..d8b810ad9 100644
--- a/netbox/tenancy/views.py
+++ b/netbox/tenancy/views.py
@@ -188,6 +188,8 @@ class ContactGroupView(generic.ObjectView):
 
         contacts = Contact.objects.restrict(request.user, 'view').filter(
             group=instance
+        ).annotate(
+            assignment_count=count_related(ContactAssignment, 'contact')
         )
         contacts_table = tables.ContactTable(contacts, user=request.user, exclude=('group',))
         contacts_table.configure(request)
@@ -338,14 +340,18 @@ class ContactBulkImportView(generic.BulkImportView):
 
 
 class ContactBulkEditView(generic.BulkEditView):
-    queryset = Contact.objects.all()
+    queryset = Contact.objects.annotate(
+        assignment_count=count_related(ContactAssignment, 'contact')
+    )
     filterset = filtersets.ContactFilterSet
     table = tables.ContactTable
     form = forms.ContactBulkEditForm
 
 
 class ContactBulkDeleteView(generic.BulkDeleteView):
-    queryset = Contact.objects.all()
+    queryset = Contact.objects.annotate(
+        assignment_count=count_related(ContactAssignment, 'contact')
+    )
     filterset = filtersets.ContactFilterSet
     table = tables.ContactTable