Cognomen ชื่นจิต (Chuenjit 
, Chuenchit , ชื่นจิต) , in all the world, is quite a rare last name. The cognomen ชื่นจิต is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, ชื่นจิต is the forename as well as the last name.