Siyamak is a well-known name in Iran. The name is of Persian origin. However, the name is also said to be of Old English origin. The name Siyamak is normally preferred by parents for boys. The name Siyamak is composed of three elements: 'siah', 'moo' and 'ak'. The term 'siah' means 'black', 'moo' means 'hair', and 'ak' means 'suffix of endearment'. The meaning of Siyamak is 'solitary'. However, the name in Arabic means 'possessor of black hair'. There are several well-known personalities with named Siyamak. Siyamak was the prince of the Mauryan Empire and the younger brother of the famous Emperor Ashoka.