Last name Oyna (Оина 
, Oyna 
) , across the world, is a very rare cognomen. The last name Oyna is habitual in Norway, where it is a very rare surname, Turkey, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Turkey, Nigeria, and China. Also, Oyna is the forename as well as the last name.