Surname Kaewnoi (Kaewnoi 
) , in all the world, is quite a rare family name. The cognomen Kaewnoi is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Malaysia, where it is an extremely rare surname.
Jan, Jairuja, Tanida, Thanom, Narong, Nerong, Orawan, Wanlop, Yurayu, Usarat, Ueanjit, Malinee, Mongkol, Sanchai, Sairung, Sunanta, Supapak, Supawan, Supadet, Somchet, Sornsit, Sriadul, Rayrai, Punnee, Pirati, Kumpan, Palm, Thee, Wong, Saroj, Amnat, Jinda, Tanom, Nares, Nisit, Vaewta, Angkrid, Venus, Warit, Samrit, Supada, Sutiwa, Somsri, Ampool, Charun, Bakgon, Bundit, Komjak, Wanna, and Arayada