Last name คุ้มแสง (Kumsang 
, Khumsang , คุ้มแสง) , in the world, is a rare cognomen. The last name คุ้มแสง is habitual in Thailand, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Much less frequently, คุ้มแสง is the forename as well as the last name.