Cognomen กำไล (Kamlai 
, Bracelet 
, กำไล) , all over the world, is a rare family name. The cognomen กำไล is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and Indonesia, where it is a very rare surname. Likewise, กำไล is the forename as well as the last name.