diff --git a/aprsd/conf/common.py b/aprsd/conf/common.py
index 5167527..ff0cf70 100644
--- a/aprsd/conf/common.py
+++ b/aprsd/conf/common.py
@@ -22,6 +22,11 @@ aprsd_opts = [
         default='NOCALL',
         help='Callsign to use for messages sent by APRSD',
     ),
+    cfg.StrOpt(
+        'owner_callsign',
+        default=None,
+        help='The ham radio license callsign that owns this APRSD instance.',
+    ),
     cfg.BoolOpt(
         'enable_save',
         default=True,
diff --git a/aprsd/plugins/version.py b/aprsd/plugins/version.py
index 2e68e2e..24f4b72 100644
--- a/aprsd/plugins/version.py
+++ b/aprsd/plugins/version.py
@@ -1,7 +1,7 @@
 import logging
 
 import aprsd
-from aprsd import plugin
+from aprsd import conf, plugin
 from aprsd.stats import collector
 
 LOG = logging.getLogger('APRSD')
@@ -24,7 +24,9 @@ class VersionPlugin(plugin.APRSDRegexCommandPluginBase):
         # message = packet.get("message_text", None)
         # ack = packet.get("msgNo", "0")
         s = collector.Collector().collect()
-        return 'APRSD ver:{} uptime:{}'.format(
+        owner = conf.CONF.owner_callsign or '-'
+        return 'APRSD ver:{} uptime:{} owner:{}'.format(
             aprsd.__version__,
             s['APRSDStats']['uptime'],
+            owner,
         )
diff --git a/tests/plugins/test_version.py b/tests/plugins/test_version.py
index 90f9102..3961094 100644
--- a/tests/plugins/test_version.py
+++ b/tests/plugins/test_version.py
@@ -40,8 +40,9 @@ class TestVersionPlugin(test_plugin.TestPlugin):
             }
         }
 
-        expected = f'APRSD ver:{aprsd.__version__} uptime:00:00:00'
         CONF.callsign = fake.FAKE_TO_CALLSIGN
+        CONF.owner_callsign = None
+        expected = f'APRSD ver:{aprsd.__version__} uptime:00:00:00 owner:-'
         version = version_plugin.VersionPlugin()
         version.enabled = True
 
@@ -62,3 +63,22 @@ class TestVersionPlugin(test_plugin.TestPlugin):
 
         # Verify the mock was called exactly once
         mock_collector_instance.collect.assert_called_once()
+
+    @mock.patch('aprsd.stats.collector.Collector')
+    def test_version_shows_owner_callsign_when_set(self, mock_collector_class):
+        mock_collector_instance = mock_collector_class.return_value
+        mock_collector_instance.collect.return_value = {
+            'APRSDStats': {'uptime': '01:23:45'},
+        }
+
+        CONF.callsign = fake.FAKE_TO_CALLSIGN
+        CONF.owner_callsign = 'K0WN3R'
+        version = version_plugin.VersionPlugin()
+        version.enabled = True
+
+        packet = fake.fake_packet(message='version', msg_number=1)
+        actual = version.filter(packet)
+        self.assertEqual(
+            actual,
+            f'APRSD ver:{aprsd.__version__} uptime:01:23:45 owner:K0WN3R',
+        )