>
Throughout the world, سیامک (Siamak , سیامک , Syamak ) is quite a rare male forename. The forename سیامک is characteristic of Iran, where it is quite a rare masculine name, Sweden, and Iraq, where it is a rare masculine name. Measured by absolute frequency, it is the most numerous in Iran, the United States, and Sweden. Much less frequently, سیامک is the last name as well as the forename.
سیامک is also a name for the fictitious and mythical characters: Siamak , the character in Shahnameh.