Last name ביאו (Biao 
, ביאו 
) , worldwide, is a common surname. The cognomen ביאו is habitual in Taiwan, where it is quite a common surname, Benin, where it is quite a rare surname, and Malaysia. In absolute terms, it most frequently occurs in Taiwan, China, and Malaysia. Very seldom, ביאו is the forename as well as the last name.