Family name 斯凡 (Sifan 
, 斯凡 ) , globally, is quite a rare surname. The family name 斯凡 is habitual in Maldives, where it is quite a rare surname, Qatar, and Sri Lanka. Measured by absolute frequency, it is the most numerous in Sri Lanka, Saudi Arabia, and China. More prevalently, 斯凡 is the forename as well as the last name.