Last name Тхуй (Thui 
, Тхуй 
, Thuj 
) , across the world, is a rare family name. The last name Тхуй is characteristic of Malaysia, where it is a rare surname, Czechia, and Myanmar. In absolute terms, this name is the most popular in South-eastern Asia, particularly Malaysia, Myanmar, and Vietnam. Also, Тхуй is the forename as well as the last name.