Last name Unok (Unok 
, อุนอก , อุ่นอก) , all around the world, is quite a rare cognomen. The cognomen Unok is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Philippines, where it is a rare surname, and Indonesia, where it is a very rare surname. Much less frequently, Unok is the forename as well as the last name.