Cognomen سیران (Seyran 
, سیران) , across the world, is quite a rare family name. The surname سیران is habitual in Turkey, where it is quite a rare surname, Germany, where it is a very rare surname, and Spain. Measured by absolute frequency, the name is most common in Turkey, Germany, and China. More prevalently, سیران is the forename as well as the last name.