Family name Xuu (Хуу 
, Xuu 
) , around the globe, is a rare cognomen. The surname Xuu is habitual in Afghanistan, where it is a rare surname, Hong Kong, and Myanmar, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Afghanistan, Indonesia, and Myanmar. Much less frequently, Xuu is the forename as well as the last name.