Last name Оню (Onew 
, Оню) , throughout the world, is a rare family name. The last name Оню is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, Malaysia, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, China, and Malaysia. Very seldom, Оню is the forename as well as the last name.