Surname Lasaya (Lasaya 
, Ласая 
) , in the world, is a rare last name. The surname Lasaya is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. In absolute terms, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Ukraine. Very seldom, Lasaya is the forename as well as the last name.