Cognomen จุ๋ม (Chum 
, Juaim 
, จุ๋ม) , in all the world, is a common surname. The surname จุ๋ม is habitual in Eastern Asia, particularly Hong Kong, where it is quite a common surname, Taiwan, where it is quite a rare surname, and Macao. Not in comparison with a country's population, the name is most common in Tanzania, Taiwan, and Guatemala. Likewise, จุ๋ม is the forename as well as the last name.