Surname Диена (Diena 
, Диена 
) , all around the world, is quite a rare last name. The cognomen Диена is habitual in Senegal, where it is quite a rare surname, Uruguay, where it is a rare surname, and Lithuania. Not in comparison with a country's population, the name is most common in Indonesia, Senegal, and Italy. More frequently, Диена is the forename as well as the last name.