Family name 斯雅 (Siya 
, Syah , 斯雅 ) , worldwide, is a widespread surname. The family name 斯雅 is habitual in Indonesia, where it is quite a common surname, Botswana, where it is quite a rare surname, and Qatar. Not in comparison with a country's population, this name is the most popular in Indonesia, India, and Saudi Arabia. Likewise, 斯雅 is the forename as well as the last name.