diff --git a/django/core/management/commands/inspectdb.py b/django/core/management/commands/inspectdb.py
index 58594fb66f..81f0cbefea 100644
--- a/django/core/management/commands/inspectdb.py
+++ b/django/core/management/commands/inspectdb.py
@@ -391,7 +391,7 @@ class Command(BaseCommand):
                 columns = [
                     x for x in columns if x is not None and x in column_to_field_name
                 ]
-                if len(columns) > 1:
+                if len(columns) > 1 and not params["primary_key"]:
                     unique_together.append(
                         str(tuple(column_to_field_name[c] for c in columns))
                     )
diff --git a/docs/releases/5.2.1.txt b/docs/releases/5.2.1.txt
index 8ec4d58a92..67244c590f 100644
--- a/docs/releases/5.2.1.txt
+++ b/docs/releases/5.2.1.txt
@@ -59,3 +59,7 @@ Bugfixes
 * Fixed a bug in composite primary key introspection that caused
   ``IntegerField`` to be wrongly identified as ``AutoField`` on SQLite
   (:ticket:`36358`).
+
+* Fixed a bug in Django 5.2 that caused a redundant ``unique_together``
+  constraint to be generated for composite primary keys when using
+  :djadmin:`inspectdb` (:ticket:`36357`).
diff --git a/tests/inspectdb/tests.py b/tests/inspectdb/tests.py
index 8c544c58c3..db9e36c5f6 100644
--- a/tests/inspectdb/tests.py
+++ b/tests/inspectdb/tests.py
@@ -637,3 +637,8 @@ class InspectDBTransactionalTests(TransactionTestCase):
         )
         self.assertIn(f"column_1 = models.{field_type}()", output)
         self.assertIn(f"column_2 = models.{field_type}()", output)
+
+    def test_composite_primary_key_not_unique_together(self):
+        out = StringIO()
+        call_command("inspectdb", "inspectdb_compositeprimarykeymodel", stdout=out)
+        self.assertNotIn("unique_together", out.getvalue())