Cognomen Choomsang (Choomsang 
) , throughout the world, is a very rare family name. The family name Choomsang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Choomsang is the forename as well as the last name.
Aiam, Nipapan, Jirachai, Waraporn, Chutipong, Kittiwong, Natthaporn, and Thanunchanok