Family name Klaewthanong (Klaewthanong 
) , all around the world, is a rare cognomen. The last name Klaewthanong is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Klaewthanong is the forename as well as the last name.
Arun, Jorayut, Jirapan, Jirawan, Jirarat, Thitiya, Nipanpong, Oraphin, Saowakon, Surachan, Attaphol, Apichart, Kamolnat, Krissada, Panpailin, Porrapol, Piyatida, Noppadol, Vongduean, Voraprach, Wirankorn, Assadaporn, Jongdee, Pathinya, Kansuda, Bandita, Asira, Kusol, Pusit, Onuma, Wirat, Saifon, Satien, Suriya, Suphap, Somnuk, Chanitsara, Armeen, Thawat, Wichai, Metawee, Sathien, Suntana, Sumalee, Sutanee, Ansayaporn, Amonrat, Chaiwat, Kawvarin, and Chayaphat