Cognomen Guizhen (Guizhen 
, 桂贞 , Гуижен 
) , in the world, is quite a rare family name. The cognomen Guizhen is characteristic of Singapore, where it is a rare surname, China, where it is a very rare surname, and Malaysia. More prevalently, Guizhen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guizhen | China, Spain, Singapore, Taiwan, United States |
| 桂贞 | China |
| Гуйчжэнь, Гуижен | Russia |
Гуйжень, 吉侦, 吉振, 吉桢, 吉珍, 吉真, 吉祯, 吉臻, 吉贞, 吉镇, 吉阵, 吉震, 圭偵, 圭珍, 圭真, 圭臻, 庋胗, 归珍, 归真, 归镇, 柜珍, 柜臻, 桂圳, 桂振, 桂桢, 桂楨, 桂榛, 桂珍, 桂瑱, 桂甄, 桂真, 桂祯, 桂禎, 桂臻, 桂诊, 桂貞, 桂针, 桂镇, 桂阵, 桂震, 歸嫃, 珪珍, 瑰桢, 瑰珍, 瑰甄, 癸桢, 癸珍, 硅珍, 规振, 规箴, 貴珍, 貴真, 贵振, 贵朕, 贵桢, 贵榛, 贵浈, 贵珍, 贵瑱, 贵甄, 贵真, 贵眹, 贵祯, 贵箴, 贵臻, 贵蓁, 贵贞, 贵针, 贵镇, 贵阵, 贵震, and 闺珍