Cognomen ام قصي (ام قصي 
) , worldwide, is a rare last name. The family name ام قصي is characteristic of Syria, where it is a rare surname, Sudan, and Libya. Not in comparison with a country's population, it most frequently occurs in Sudan, Syria, and Algeria. More prevalently, ام قصي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ام قصي | Jordan, Syria, Sudan, Libya, Algeria |