Surname Federa (Federa 
, Fedara 
, Федера 
) , in the world, is a rare family name. The family name Federa is habitual in Austria, where it is a rare surname, Switzerland, where it is a very rare surname, and Spain. Measured by absolute frequency, it is the most numerous in Spain, Russia, and Italy. Also, Federa is the forename as well as the last name.