Surname Youzhen (友珍 
, 幼珍 , Youzhen 
) , globally, is quite a rare last name. The family name Youzhen is characteristic of China, where it is a rare surname, Malaysia, where it is a very rare surname, and Spain. More prevalently, Youzhen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 友珍, 友振, 幼珍 | China |
| Youzhen | Malaysia, China, Taiwan, United States, Germany |
优振, 优珍, 优真, 优臻, 优贞, 优镇, 佑侦, 佑振, 佑桢, 佑榛, 佑珍, 佑甄, 佑真, 佑祯, 佑臻, 佑贞, 佑赈, 佑镇, 佑震, 侑珍, 侑臻, 又振, 又珍, 又真, 又祯, 又缜, 又贞, 又震, 友侦, 友圳, 友斟, 友枕, 友桢, 友浈, 友真, 友祯, 友箴, 友臻, 友诊, 友贞, 友针, 友镇, 友阵, 友震, 右振, 右珍, 右祯, 宥祯, 宥臻, 宥蓁, 尤振, 尤朕, 尤桢, 尤珍, 尤真, 尤祯, 尤臻, 尤蓁, 尤贞, 尤镇, 尤震, 幼姫, 幼振, 幼真, 幼祯, 幼臻, 幼贞, 幼针, 幼震, 幽贞, 幽镇, 悠珍, 悠镇, 攸圳, 攸珍, 攸震, 有振, 有桢, 有珍, 有甄, 有眞, 有真, 有祯, 有箴, 有臻, 有蓁, 有诊, 有贞, 有镇, 有阵, 有震, 柚桢, 油珍, 油贞, 游真, 游镇, 犹振, 猷珍, 猷蓁, 猷镇, 由振, 由桢, 由珍, 由真, 由祯, 祐振, 祐真, 祐震, 莜珍, 莜贞, 诱珍, 邮珍, 酉珍, 酉珎, 釉珍, and 鱿珍