Family name 宇伦 (Yulun 
, 宇伦 ) , throughout the world, is quite a rare last name. The surname 宇伦 is characteristic of Taiwan, where it is quite a rare surname, China, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Taiwan, China, and the United States. More prevalently, 宇伦 is the forename as well as the last name.