Cognomen Chaivirat (Chaivirat 
) , across the world, is a rare family name. The family name Chaivirat is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Chaivirat is the forename as well as the last name.
Pai, Komson, Somnuak, Pongwin, Jirawan, Kunakorn, Thitisan, Nutchaya, Petcharat, Thanyarat, Wutichart, Phatcharin, Nattawadee, Nattayaporn, and Phuthanaphat