Cognomen Lázar (Лазарь 
, Lázar) , around the world, is quite a rare last name. The family name Lázar is characteristic of Belarus, where it is quite a common surname, Ukraine, where it is a rare surname, and Kazakhstan. In absolute terms, this name is the most popular in Eastern Europe, particularly Belarus, Russia, and Ukraine. Also, Lázar is the forename as well as the last name.