Last name קואו (Kuo 
, קואו 
) , across the world, is a common surname. The cognomen קואו is habitual in Taiwan, where it is a common surname, Cayman Islands, where it is quite a common surname, and Bermuda (explore the name in all countries). Measured by absolute frequency, it is commonest in Taiwan, the United States, and China. Very seldom, קואו is the forename as well as the last name.