Globally, Mustu (Mustu 
) is a rare primarily masculine, but very seldom girly first name. The first name Mustu is characteristic of Western Asia, particularly United Arab Emirates, where it is a rare boy's name, Kuwait, and Saudi Arabia, where it is a very rare boy's name. Not in comparison with a country's population, the name is most common in India, United Arab Emirates, and Saudi Arabia. Also, Mustu is the last name as well as the forename.