Family name Loyou-Dieuveil (Loyou-Dieuveil 
) , in all the world, is an extremely rare surname. Predominantly, Loyou-Dieuveil is the forename as well as the last name. Parts of the name also exists independently as a last name Loyou, and a first name Dieuveil.
| VARIANT | COUNTRY |
|---|---|
| Loyou-Dieuveil | Democratic Republic of the Congo |