Last name 斯兰 (Silan 
, 斯兰 ) , all over the world, is quite a rare surname. The family name 斯兰 is habitual in Philippines, where it is quite a rare surname, Qatar, and Malaysia, where it is a rare surname. Measured by absolute frequency, it is commonest in Philippines, India, and Indonesia. Likewise, 斯兰 is the forename as well as the last name.