Last name Leon-Dufour (Leon-Dufour 
) , around the globe, is a very rare family name. The cognomen Leon-Dufour is habitual in Western Europe, particularly France, where it is a very rare surname. Parts of the name also exists independently as a last name Leon, and a last name Dufour.
| VARIANT | COUNTRY |
|---|---|
| Leon-Dufour | France |