Surname Dieusy (Dieusy 
) , throughout the world, is a very rare cognomen. The family name Dieusy is habitual in Western Europe, particularly France, where it is a very rare surname. More prevalently, Dieusy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dieusy | Democratic Republic of the Congo, United States, France |
Mpompa, Mabiala, and Cenecharles