Worldwide, Ruil (Ruil 
) is a rare principally male, but very infrequently feminine first name. The first name Ruil is characteristic of Philippines, where it is a rare principally male, but very seldom feminine name, Peru, where it is a very rare male name, and India, where it is an extremely rare largely boy's, but seldom girly name. Very seldom, Ruil is the last name as well as the forename.