Cognomen Gandon-Léger (Gandon-Léger 
) , around the globe, is an extremely rare family name. The last name Gandon-Léger is habitual in Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a last name Gandon, and a last name Léger.
| VARIANT | COUNTRY |
|---|---|
| Gandon-Léger | France |