Cognomen Оуян (Ouyang 
, Оуян 
) , across the world, is a widespread family name. The family name Оуян is characteristic of British Virgin Islands, where it is quite a common surname, Cayman Islands, and Macao (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, the United States, and Taiwan. Very seldom, Оуян is the forename as well as the last name.