diff --git a/neutron_lib/callbacks/resources.py b/neutron_lib/callbacks/resources.py
index 8a87d0711..1019f6d03 100644
--- a/neutron_lib/callbacks/resources.py
+++ b/neutron_lib/callbacks/resources.py
@@ -32,3 +32,6 @@ SEGMENT_HOST_MAPPING = 'segment_host_mapping'
 SUBNET = 'subnet'
 SUBNETS = 'subnets'
 SUBNETPOOL_ADDRESS_SCOPE = 'subnetpool_address_scope'
+SUBPORTS = 'subports'
+TRUNK = 'trunk'
+TRUNK_PLUGIN = 'trunk_plugin'
diff --git a/releasenotes/notes/rehome-trunk-callback-resources-be40f8382490ef0d.yaml b/releasenotes/notes/rehome-trunk-callback-resources-be40f8382490ef0d.yaml
new file mode 100644
index 000000000..e7c19bbe3
--- /dev/null
+++ b/releasenotes/notes/rehome-trunk-callback-resources-be40f8382490ef0d.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - The ``SUBPORTS``, ``TRUNK`` and ``TRUNK_PLUGIN`` constants are now
+    available in ``neutron_lib.callbacks.resources`` for defining Trunk
+    related callback resources.