Worldwide, Wangchai (Wangchai 
, วังชัย , วังใจ ) is a rare largely boy's, but seldom feminine forename. The forename Wangchai is characteristic of Thailand, where it is a very rare largely masculine, but seldom female name, and India, where it is an extremely rare principally boy's, but very infrequently girly name. More frequently, Wangchai is the last name as well as the forename.