Around the globe, Chaiyanut (Chaiyanut 
) is a very rare masculine forename. The forename Chaiyanut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Much less frequently, Chaiyanut is the last name as well as the forename.
Anurat, Teetuan, Sodasoi, Sriprom, Surapichpong, Pathomaree, Chansevikul, Pongsamart, Nitiwongpond, Chokthanamanee, and Kanjanasiriphak