Surname Chom (ชม 
, จอม , Chom 
) , throughout the world, is quite a rare last name. The cognomen Chom is characteristic of Guatemala, where it is quite a rare surname, Malaysia, where it is a rare surname, and Myanmar. In absolute terms, it is the most numerous in Nigeria, Guatemala, and Malaysia. More frequently, Chom is the forename as well as the last name.