Family name เสี่ยว (Chum 
, Siao , Xaio 
) , in the world, is a common last name. The cognomen เสี่ยว is habitual in Bermuda, where it is quite a common surname, Hong Kong, and Taiwan, where it is quite a rare surname. In absolute terms, the name is most common in Tanzania, Philippines, and Taiwan. Much less frequently, เสี่ยว is the forename as well as the last name.