Last name ضوي (ضوي 
) , in the world, is quite a rare surname. The cognomen ضوي is characteristic of Northern Africa, particularly Sudan, where it is a rare surname, Egypt, and Libya. Much less frequently, ضوي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ضوي | Libya, Tunisia, Egypt, Sudan, Iraq |