Cognomen Wiritphon (Wiritphon 
) , in the entire world, is an extremely rare surname. The surname Wiritphon is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Wiritphon is the forename as well as the last name.
Sukon, Kamolchainitchakun, Karaphanthunit, Setthapat, Sathanonchai, Buntitawat, Srihamat, Srikulwong, Supakroj, Sittinon, Thavornwongwongse, Gongruxsa, Saiwong, Taniko, Srijan, Saekow, Sansuk, Puteh, Pajae, Khaso, Sopha, Arunlak, and Phanitphakyotin