Cognomen Kaewnui (Kaewnui 
) , around the globe, is a rare surname. The cognomen Kaewnui is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Sunya, Supatsiri, Supakdee, Sorrawit, Chamnong, Chayanit, Kritsada, Panupong, Pichamol, Pimonpan, Lapasrada, Teerayut, Siriranya, Suphatsiri, Pariyakorn, Preeyaporn, Maneerat, Phanatthikorn, Ittiporn, Pennapa, Apisa, Kanay, Nitas, Yukon, Manoon, Banjob, Tanaat, Natjaya, Onpinya, Yukhon, Yukron, Sirirat, Atichai, Chokdee, Panupat, Jaruwan, and Nanthiphat