Family name Dieufils (Dieufils 
) , worldwide, is a very rare surname. The family name Dieufils is habitual in France, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Dieufils is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dieufils | Brazil, United States, France |