Last name อุ่นแก้ว (Aunkaew 
, Ounkaew , อุ่นแก้ว) , across the world, is a rare cognomen. The surname อุ่นแก้ว is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Much less frequently, อุ่นแก้ว is the forename as well as the last name.