Worldwide, Cuu (Cuu 
) is a rare dominantly boy's, but seldom feminine forename. The given name Cuu is characteristic of Vietnam, where it is a rare predominantly male, but scarcely female name, France, where it is a very rare gender-neutral name, and the United States, where it is a very rare largely male, but infrequently girly name. In absolute terms, this name is the most popular in Vietnam, the United States, and India. Also, Cuu is the last name as well as the forename.