Surname Деинега (Deynega 
, Deinega 
, Деинега ) , throughout the world, is a rare last name. The family name Деинега is habitual in Estonia, where it is quite a rare surname, Russia, where it is a rare surname, and Belarus, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Russia, the United States, and Estonia. Very seldom, Деинега is the forename as well as the last name.