diff --git a/netbox/dcim/migrations/0209_alter_macaddress_options.py b/netbox/dcim/migrations/0209_alter_macaddress_options.py
new file mode 100644
index 000000000..2f3b6de06
--- /dev/null
+++ b/netbox/dcim/migrations/0209_alter_macaddress_options.py
@@ -0,0 +1,19 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0208_devicerole_uniqueness'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='macaddress',
+            options={
+                'ordering': ('mac_address', 'pk'),
+                'verbose_name': 'MAC address',
+                'verbose_name_plural': 'MAC addresses'
+            },
+        ),
+    ]
diff --git a/netbox/dcim/models/devices.py b/netbox/dcim/models/devices.py
index abd29d4e3..e1ad9c15c 100644
--- a/netbox/dcim/models/devices.py
+++ b/netbox/dcim/models/devices.py
@@ -1276,7 +1276,7 @@ class MACAddress(PrimaryModel):
     )
 
     class Meta:
-        ordering = ('mac_address',)
+        ordering = ('mac_address', 'pk',)
         verbose_name = _('MAC address')
         verbose_name_plural = _('MAC addresses')
 
diff --git a/netbox/dcim/tests/test_models.py b/netbox/dcim/tests/test_models.py
index be9f067d4..103795766 100644
--- a/netbox/dcim/tests/test_models.py
+++ b/netbox/dcim/tests/test_models.py
@@ -37,6 +37,19 @@ class MACAddressTestCase(TestCase):
         cls.interface.primary_mac_address = cls.mac_a
         cls.interface.save()
 
+        shared_mac = '1234567890ab'
+        interfaces = []
+        for i in range(10):
+            interfaces.append(Interface(
+                device=device, name=f'Interface {i:03d}', type='1000base-t'
+            ))
+        Interface.objects.bulk_create(interfaces)
+
+        mac_addresses = []
+        for interface in interfaces:
+            mac_addresses.append(MACAddress(mac_address=shared_mac, assigned_object=interface))
+        MACAddress.objects.bulk_create(mac_addresses)
+
     @tag('regression')
     def test_clean_will_not_allow_removal_of_assigned_object_if_primary(self):
         self.mac_a.assigned_object = None
@@ -48,6 +61,29 @@ class MACAddressTestCase(TestCase):
         self.mac_b.assigned_object = None
         self.mac_b.clean()
 
+    @tag('regression')
+    def test_mac_address_ordering_with_duplicates(self):
+        """
+        Test that MAC addresses with the same value are ordered by their primary key (pk).
+        This ensures deterministic ordering for pagination when multiple records share the same MAC address.
+        """
+        mac_addresses = list(MACAddress.objects.all())
+
+        mac_address_groups = {}
+        for mac in mac_addresses:
+            if mac.mac_address not in mac_address_groups:
+                mac_address_groups[mac.mac_address] = []
+            mac_address_groups[mac.mac_address].append(mac)
+
+        for mac_value, macs in mac_address_groups.items():
+            if len(macs) > 1:
+                for i in range(1, len(macs)):
+                    self.assertLess(
+                        macs[i - 1].pk,
+                        macs[i].pk,
+                        f"MAC addresses with value {mac_value} are not ordered by primary key"
+                    )
+
 
 class LocationTestCase(TestCase):