Surname Chaiyanut (Chaiyanut 
) , around the globe, is an extremely rare cognomen. The cognomen Chaiyanut is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Chaiyanut is the forename as well as the last name.
Anurat, Teetuan, Sodasoi, Sriprom, Surapichpong, Pathomaree, Chansevikul, Pongsamart, Nitiwongpond, Chokthanamanee, and Kanjanasiriphak