Family name Ouidi (Ouidi 
) , throughout the world, is quite a rare cognomen. The family name Ouidi is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, and Sweden, where it is a rare surname. Very seldom, Ouidi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ouidi | United States, Democratic Republic of the Congo, Sweden |
| mathias ouidi 14th-century Swedish priest, SE (b. 1300) |
|