Last name อุปดิษฐ์ (อุปดิษฐ์ 
, Uppadit ) , in the world, is a rare cognomen. The cognomen อุปดิษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, อุปดิษฐ์ is the forename as well as the last name.