Cognomen داينا (Daina 
, Dayna 
, داينا 
) , all around the world, is quite a common surname. The surname داينا is habitual in Bahrain, where it is quite a rare surname, Latvia, and Tunisia. Not in comparison with a country's population, this name is the most popular in Mexico, Nigeria, and Japan. More prevalently, داينا is the forename as well as the last name.