Surname شم (شم 
) , worldwide, is a rare last name. The family name شم is characteristic of Sudan, where it is a rare surname, Syria, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in Sudan, Egypt, and Saudi Arabia. Also, شم is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| شم | Egypt, Syria, Sudan, Iraq, Saudi Arabia |