Around the world, Mailu (Mailu 
) is quite a rare unisex first name. The given name Mailu is habitual in India, where it is a very rare epicene name, Spain, and Nigeria, where it is a very rare dominantly masculine, but seldom feminine name. In absolute terms, this name is the most popular in India, Nigeria, and Brazil. More prevalently, Mailu is the last name as well as the forename.