Last name ชอุ่ม (Chaaum 
, ชอุ่ม, Cha-Um 
) , all over the world, is a very rare family name. The last name ชอุ่ม is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, ชอุ่ม is the forename as well as the last name.