Cognomen 伦南 (Lennen 
, Lennan , 伦南 
) , in all the world, is a rare family name. The last name 伦南 is characteristic of Belize, where it is quite a common surname, New Zealand, where it is a rare surname, and Australia. Not in comparison with a country's population, this name is the most popular in the United States, Australia, and the United Kingdom. Much less frequently, 伦南 is the forename as well as the last name.