Across the world, Masoo (Masoo 
) is a rare predominantly masculine, but very seldom feminine first name. The first name Masoo is habitual in Pakistan, where it is a rare male name, Saudi Arabia, where it is a very rare male name, and India, where it is a very rare principally boy's, but scarcely female name. Likewise, Masoo is the last name as well as the forename.