Surname Yotchai (ยอดชาย 
, ยศชัย , Yotchai 
) , across the world, is a rare family name. The last name Yotchai is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Predominantly, Yotchai is the forename as well as the last name.