Family name Лейл (Leil 
, Лейл 
) , around the world, is quite a rare cognomen. The cognomen Лейл is characteristic of Lebanon, where it is quite a rare surname, Jordan, where it is a rare surname, and Egypt. Not in comparison with a country's population, it is the most numerous in Egypt, Lebanon, and Algeria. Much less frequently, Лейл is the forename as well as the last name.