Cognomen Ryna (Ryna 
, Рина 
) , worldwide, is quite a rare family name. The surname Ryna is characteristic of Brunei, where it is quite a rare surname, Kyrgyzstan, and Bulgaria, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Indonesia, Bangladesh, and Russia. More prevalently, Ryna is the forename as well as the last name.