Around the world, Anain (Anain 
) is a rare epicene forename. The first name Anain is habitual in Mexico, where it is a rare unisex name, Brazil, where it is an extremely rare male name, and the United States, where it is an extremely rare gender-neutral name. Measured by absolute frequency, it most frequently occurs in Mexico, India, and Brazil. Also, Anain is the last name as well as the forename.