Last name Jianjian (坚坚 
, Jianjian 
, 建健 ) , worldwide, is quite a rare family name. The cognomen Jianjian is habitual in Malaysia, where it is a rare surname, China, where it is a very rare surname, and Switzerland. In absolute terms, it is commonest in China, Malaysia, and Colombia. More frequently, Jianjian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 建健, 建剑, 坚坚 | China |
| Jianjian | Colombia, China, United States, Malaysia, Taiwan |
Йианйиан, 件件, 件健, 俭俭, 俭健, 俭剑, 俭建, 俭瑊, 俭碱, 健俭, 健健, 健剑, 健坚, 健堅, 健建, 健检, 健涧, 健监, 健硷, 健箭, 健舰, 健荐, 健见, 健鉴, 健键, 健间, 兼健, 兼兼, 兼坚, 兼见, 减减, 剑俭, 剑健, 剑剑, 剑坚, 剑尖, 剑建, 剑检, 剑牮, 剑碱, 剑简, 剑箭, 剑鉴, 剑键, 剪剪, 囝囝, 坚俭, 坚健, 坚剑, 坚尖, 坚建, 坚舰, 坚艰, 坚见, 坚贱, 坚键, 尖尖, 建俭, 建坚, 建堅, 建尖, 建建, 建检, 建渐, 建牮, 建玪, 建瑊, 建笺, 建箭, 建舰, 建荐, 建见, 建鉴, 建鑑, 建锏, 建键, 建间, 戋戋, 戬剑, 拣拣, 捡捡, 检健, 检建, 检检, 检贱, 楗楗, 涧涧, 涧见, 渐健, 渐建, 渐渐, 渐见, 渐贱, 渐键, 溅溅, 溅贱, 溅鉴, 漸漸, 牮牮, 玪玪, 瑊瑊, 碱碱, 笺笺, 简俭, 简剑, 简坚, 简建, 简涧, 简简, 箭剑, 箭箭, 缄建, 缄缄, 缄见, 翦翦, 肩剪, 肩菅, 腱腱, 舰健, 舰舰, 艰健, 艰坚, 艰建, 艰艰, 荐建, 荐荐, 菅菅, 蒹蒹, 蕳蕳, 见俭, 见健, 见剑, 见建, 见舰, 见见, 见键, 謇謇, 賤賤, 贱贱, 践践, 蹇蹇, 鉴健, 鉴剑, 鉴坚, 鉴建, 鉴鉴, 鑑鑑, 锏坚, 键件, 键健, 键剑, 键腱, 键谏, 键键, 間剣, 间间, 鞬湕, 鶼鶼, and 鹣鹣