Cognomen الصدي (الصدي 
) , worldwide, is a rare family name. The surname الصدي is characteristic of Syria, where it is a rare surname, Kuwait, and Sudan. Not in comparison with a country's population, the name is most common in Sudan, Syria, and Saudi Arabia.
| VARIANT | COUNTRY |
|---|---|
| الصدي | Saudi Arabia, Yemen, Sudan, Syria, Kuwait |