Cognomen Khomwan (Khomwan 
) , all around the world, is a very rare surname. The cognomen Khomwan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Khomwan is the forename as well as the last name.
Sawat, Kameka, Sarayut, Sarawut, Boonyong, Kongkiat, Korrakit, Janejira, Noochnaree, and Waratchaya