Last name Uttin (Uttin 
, อุตถิน , อุตติน ) , across the world, is a rare family name. The last name Uttin is habitual in Thailand, where it is a very rare surname, the United Kingdom, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in India, Thailand, and the United Kingdom. Likewise, Uttin is the forename as well as the last name.