Family name Yu-En (Yu-En 
) , in all the world, is quite a common surname. The cognomen Yu-En is habitual in Eastern Asia, particularly Japan, where it is quite a rare surname. Very seldom, Yu-En is the forename as well as the last name. Parts of the name also exists independently as a last name Yu, and a last name En.
| VARIANT | COUNTRY |
|---|---|
| Yu-En | Singapore, Taiwan, Canada, United States, Japan |