Surname Redia (Redia 
, Редя 
) , across the world, is a rare cognomen. The family name Redia is habitual in Ukraine, where it is a rare surname, Ethiopia, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Ethiopia, Ukraine, and Russia. Likewise, Redia is the forename as well as the last name.