Cognomen Delager (Delager 
) , around the world, is a very rare family name. The family name Delager is habitual in France, where it is a very rare surname, Australia, and the United States, where it is an extremely rare surname. Much less frequently, Delager is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Delager | France, Philippines, Australia, United States |