diff --git a/releasenotes/notes/unmount-ceph-osds-43b7b59685bff5b4.yaml b/releasenotes/notes/unmount-ceph-osds-43b7b59685bff5b4.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..b8f778b55a3a5909f3af85752b2efdaf5ce50fc6
--- /dev/null
+++ b/releasenotes/notes/unmount-ceph-osds-43b7b59685bff5b4.yaml
@@ -0,0 +1,3 @@
+---
+features:
+  - Unmount Ceph OSD disks as part of 'kolla-ansible destroy'
diff --git a/tools/cleanup-host b/tools/cleanup-host
index 4d4c93eabab6e69e3aa2029ec2d60e995218df13..9800b708330602dc93de53f56f0bf33b5384ea3a 100755
--- a/tools/cleanup-host
+++ b/tools/cleanup-host
@@ -37,6 +37,11 @@ fi
 echo "Creating a fstab backup..."
 sudo cp /etc/fstab /etc/fstab_backup
 
+echo "Unmounting Ceph OSD disks"
+for mount in $(mount | awk '/\/var\/lib\/ceph/ { print $3 }'); do
+    umount $mount
+done
+
 echo "Removing ceph references from fstab..."
 sudo sed -i '/\/var\/lib\/ceph\/osd\//d' /etc/fstab