Surname 伦勇 (伦勇 
, Lunyong 
) , across the world, is a rare cognomen. The cognomen 伦勇 is habitual in Malaysia, where it is a very rare surname, China, and Thailand, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in China, Malaysia, and the United States. More prevalently, 伦勇 is the forename as well as the last name.