Family name 鲜于 (Xianyu 
, 鲜于 ) , around the globe, is quite a rare surname. The surname 鲜于 is characteristic of China, where it is a rare surname, South Korea, and Malaysia, where it is a very rare surname. In absolute terms, the name is most common in China, South Korea, and France. More prevalently, 鲜于 is the forename as well as the last name.