Cognomen الضي (الضي 
) , across the world, is a common family name. The surname الضي is habitual in Sudan, where it is quite a common surname, Libya, where it is quite a rare surname, and Saudi Arabia, where it is a rare surname. Likewise, الضي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الضي | Saudi Arabia, Sudan, Egypt, Libya, Iraq |
| صالح الضي Sudanese musician, SD (b. 1936) |
|