Last name Ленан (Lennon 
, Ленан 
) , in the world, is a common surname. The cognomen Ленан is characteristic of Ireland, where it is quite a common surname, Andorra, and Jamaica (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Ireland. Much less frequently, Ленан is the forename as well as the last name.