All over the world, เทียมชัย (เทียมชัย 
, Thiamchai , Tiamchai ) is a very rare principally male, but very seldom female forename. The forename เทียมชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare principally masculine, but very seldom female name. Very seldom, เทียมชัย is the last name as well as the forename.