Worldwide, Rstm (رستم 
, Rstm 
) is quite a rare boy's given name. The forename Rstm is habitual in Syria, where it is quite a rare predominantly male, but very infrequently girly name, Afghanistan, where it is quite a rare boy's name, and Lebanon. In absolute terms, it is the most numerous in Syria, Afghanistan, and Sudan. Also, Rstm is the last name as well as the forename.