Surname Zhenzi (贞子 
, 真子 , 珍子 ) , worldwide, is a rare family name. The family name Zhenzi is habitual in China, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Brazil. More frequently, Zhenzi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 珍子, 贞子, 真子 | China |
| Zhenzi | Australia, China, United States, Brazil, Taiwan |
Жензи, 圳锡, 振仔, 振兹, 振咨, 振姿, 振子, 振字, 振孜, 振梓, 振淄, 振滋, 振紫, 振资, 振锡, 振齐, 朕梓, 朕齐, 桢子, 桢孜, 桢梓, 榛子, 榛梓, 浈子, 珍仔, 珍姿, 珍孜, 珍紫, 珍锡, 珍齐, 瑧子, 瑱子, 甄子, 真仔, 真梓, 真籽, 真紫, 真锡, 真齐, 祯子, 祯梓, 祯淄, 祯紫, 禛子, 臻子, 臻梓, 臻齐, 蓁子, 贞仔, 贞姿, 贞孜, 贞梓, 贞紫, 贞资, 贞齐, 錱子, 针子, 镇仔, 镇兹, 镇子, 镇字, 镇梓, 镇资, 镇锡, 镇齐, 阵子, 震仔, 震子, 震字, 震梓, 震锡, and 震齐