Family name Bluu (Blue 
, Bluu 
) , all around the world, is a common surname. The cognomen Bluu is habitual in Myanmar, where it is quite a common surname, Brunei, and Macao, where it is quite a rare surname. In absolute terms, the name is most common in the United States, Myanmar, and Indonesia. Very seldom, Bluu is the forename as well as the last name.