Cognomen 雅伦 (雅伦 
, Yalun 
) , in the entire world, is quite a rare family name. The surname 雅伦 is characteristic of Turkey, where it is a rare surname, Philippines, and Singapore. In absolute terms, the name is most common in China, Turkey, and Philippines. More prevalently, 雅伦 is the forename as well as the last name.