Surname Kumtong (Kumtong 
) , all around the world, is a rare last name. The surname Kumtong is habitual in Thailand, where it is a rare surname, Nigeria, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kumtong is the forename as well as the last name.
Sky, Weradech, Monrudee, Saowaree, Saowakon, Siriampa, Srongwit, Benjamin, Kanokwan, Kanokrat, Ponnarin, Ratikorn, Jarupong, Jatuporn, Tanyakan, Thitirat, Nattakit, Natchaya, Naluemon, Prakaimas, Prapavadee, Jettanong, Werasag, Witsanu, Warakon, Wantana, Manus, Manee, Seree, Kevin, Liman, Nitta, Euaboon, Orpan, Marisa, Mannee, Juthamard, Samree, Panvil, Prayat, Orapan, Montree, Sujeera, Crystal, Praphan, Porntip, Tuenjai, Nongmai, Amnuay, and Thitiporn