Surname Devaloir (Devaloir 
) , all over the world, is a very rare cognomen. The family name Devaloir is habitual in Western Europe, particularly France, where it is a very rare surname. More prevalently, Devaloir is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Devaloir | France, Cameroon, Democratic Republic of the Congo |