Family name ディーナ (Deena 
, Deana , ディーナ) , in the entire world, is a common cognomen. The last name ディーナ is habitual in Egypt, where it is quite a common surname, Mauritius, and Trinidad and Tobago, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Egypt, Bangladesh, and India. More frequently, ディーナ is the forename as well as the last name.