Cognomen Khongkaeo (Khongkaeo 
) , around the world, is a rare surname. The last name Khongkaeo is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
Mali, Somnuek, Srisuda, Apichat, Phitralin, Phichit, Phensri, Phloinopphat, Rachaen, Detnarong, Warayut, Wiparat, Worapha, Montatip, Saowanee, Sineenut, Sirinant, Sutthida, Anonglak, Chamnian, Chirasak, Khattiya, Sirawan, Siriwan, Sininat, Sawalee, Klun, Waon, Malee, Sanan, Sakda, Shota, Suvat, Suyin, Arree, Aurai, Kittiwut, Phian, Nirat, Nunoi, Sunisa, Suphot, Chaiya, Khlong, Prasan, Narong, Natcha, Sanlaya, Lamai, and Tassanee