Cognomen Muangjun (Muangjun 
) , in all the world, is a very rare family name. The last name Muangjun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Saing, Surut, Patin, Sarawut, Sumalee, Jatnapa, Kittidet, Kornkamol, Jutamanee, Pongsakorn, Napatsawan, and Chalermporn