Across the world, Mahdin (Mahdin 
) is a rare boy's first name. The first name Mahdin is habitual in Bangladesh, where it is a rare boy's name, Indonesia, where it is a very rare masculine name, and Philippines, where it is an extremely rare masculine name. Measured by absolute frequency, it most frequently occurs in Bangladesh, Indonesia, and India. Also, Mahdin is the last name as well as the forename.