Family name Youyun (Youyun 
, 有云 , 幼云 ) , globally, is quite a rare surname. The family name Youyun is characteristic of Eastern Asia, particularly China, where it is a very rare surname. More frequently, Youyun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Youyun | New Zealand, China, Taiwan, United States |
| 有运, 有云, 幼云 | China |
优云, 优芸, 优赟, 优运, 优韵, 佑云, 佑畇, 佑芸, 佑运, 侑云, 侑傊, 又云, 又允, 又匀, 又芸, 又运, 友云, 友允, 友匀, 友恽, 友昀, 友耘, 友芸, 友赟, 友运, 友運, 友韫, 右云, 囿运, 宥云, 宥昀, 宥芸, 宥运, 尤云, 尤芸, 尤赟, 尤运, 幼芸, 幼鋆, 幼韵, 幽云, 幽芸, 幽蕴, 幽韵, 忧云, 忧芸, 悠云, 悠昀, 悠芸, 悠雲, 悠韵, 攸云, 攸赟, 有允, 有昀, 有芸, 有贇, 有赟, 有鋆, 柚芸, 油云, 游云, 游允, 滺囩, 滺韻, 犹云, 由云, 由芸, 由运, 莜云, 莠芸, 诱云, 遊雲, 酉贇, 酉赟, and 釉云
Di, Song, Chen, Peng, Deng, Ding, Dong, Liao, Tang, Tian, Feng, Wang, Yang, Yuan, Zang, Zhao, Zhou, Cheng, Liang, Jiang, Huang, Zhang, Shen, Xue, Xie, Xia, Du, Gu, Li, Hu, Fu, Wu, Ye, Shi, Sun, Cao, Zheng, Gao, Liu, Luo, Jin, Han, Fan, Wen, Wei, Yan, Yao, Zhu, Lin, and Xiong