Surname Sapiega (Sapiega 
, Сапега 
) , across the world, is quite a rare family name. The surname Sapiega is habitual in Belarus, where it is quite a rare surname, Lithuania, and Latvia. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Russia, Belarus, and Ukraine. Very seldom, Sapiega is the forename as well as the last name.