Cognomen Unkham (Unkham 
) , globally, is a rare family name. The cognomen Unkham is characteristic of Thailand, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Very seldom, Unkham is the forename as well as the last name.
Aree, Banthita, Bunyarat, Patteera, Phutsadee, Teerayut, Titaporn, Nattamon, Natdanai, Chanakan, Ninlawan, Sinrapachai, Passakorn, Tawatchai, Thanakorn, Thitaphorn, Thongchun, Thongyuan, Chaiyaporn, Witthaya, Wutthipong, Apichart, Wipawan, Daeng, Watin, Ubena, Sherly, Phakdi, Phuysadee, Daniel, Lamyai, Sataporn, Jaroen, Samruai, Chaiwat, Banhtita, Bunruan, Pattana, Penkhae, Tivarun, Narumon, Nhorwin, and Pattharanan