Family name 斯然 (Siran 
, 斯然 ) , all around the world, is quite a rare surname. The cognomen 斯然 is characteristic of Georgia, where it is quite a rare surname, Malaysia, and Slovakia. Not in comparison with a country's population, it is the most numerous in Indonesia, Malaysia, and India. Likewise, 斯然 is the forename as well as the last name.