Cognomen อุ่นคำ (Aunkham 
, Unkham 
, อุ่นคำ) , in all the world, is a rare family name. The cognomen อุ่นคำ is characteristic of Thailand, where it is quite a rare surname, India, where it is an extremely rare surname, and the United States. Very seldom, อุ่นคำ is the forename as well as the last name.