Family name صائم (Saim 
, صائم 
) , globally, is a common last name. The cognomen صائم is characteristic of Brunei, where it is quite a common surname, Malaysia, and Eswatini, where it is quite a rare surname. In absolute terms, the name is most common in Bangladesh, Malaysia, and India. Likewise, صائم is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saim | Saudi Arabia, Bangladesh, Malaysia, Pakistan, India |
| صائم | Egypt, Iran, Saudi Arabia, Iraq, Yemen |