Cognomen Thanomlak (Thanomlak 
) , across the world, is an extremely rare family name. The surname Thanomlak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Thanomlak is the forename as well as the last name.
Nororn, Piewdang, Chiaojoho, Pinsuwan, Pinyolaksana, Angklomklieo, and Khamhangpol