diff --git a/releasenotes/notes/unmount-ceph-osds-43b7b59685bff5b4.yaml b/releasenotes/notes/unmount-ceph-osds-43b7b59685bff5b4.yaml
new file mode 100644
index 0000000000..b8f778b55a
--- /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 c319ce0b83..ee7a50c7bb 100755
--- a/tools/cleanup-host
+++ b/tools/cleanup-host
@@ -42,6 +42,11 @@ 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