Cognomen Śãm (Śãm 
) , around the world, is a rare last name. The surname Śãm is habitual in Algeria, where it is a rare surname, Myanmar, and Egypt, where it is a very rare surname. Very seldom, Śãm is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Śãm | Algeria, Egypt, Myanmar |