Surname Prachum (ประชุม 
, ประจิม , Prachum 
) , all around the world, is quite a rare family name. The cognomen Prachum is characteristic of Thailand, where it is quite a rare surname, Brazil, where it is a very rare surname, and China, where it is an extremely rare surname. More prevalently, Prachum is the forename as well as the last name.