Cognomen קסו (Xue 
, קסו 
) , all over the world, is a widespread surname. The surname קסו is characteristic of Cayman Islands, where it is quite a common surname, China, and Bermuda (explore the name in all countries). In absolute terms, it is commonest in China, Malaysia, and the United States. Much less frequently, קסו is the forename as well as the last name.