Family name Эфраин (Efraín 
, Эфраин) , across the world, is a rare last name. The family name Эфраин is characteristic of Latin America and the Caribbean, particularly Guatemala, where it is a rare surname, Uruguay, and Colombia. In absolute terms, this name is the most popular in Latin America and the Caribbean, particularly Guatemala, Colombia, and Peru. Much more frequently, Эфраин is the forename as well as the last name.