Cognomen Jianxian (建贤 
, Jianxian 
, 健贤 ) , worldwide, is a rare surname. The family name Jianxian is characteristic of China, where it is a very rare surname, Spain, and Chile, where it is an extremely rare surname. In absolute terms, this name is the most popular in China, Spain, and Brazil. More frequently, Jianxian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 剑仙, 健贤, 建贤 | China |
| Jianxian | Austria, United States, Taiwan, Singapore, China |
Йианхиан, 件贤, 俭先, 俭娴, 俭贤, 偂线, 健仙, 健先, 健娴, 健宪, 健献, 健羡, 健賢, 健锨, 健鲜, 兼藓, 兼贤, 剑先, 剑娴, 剑现, 剑羡, 剑贤, 劍仙, 坚先, 坚娴, 坚宪, 坚献, 坚贤, 建仙, 建先, 建县, 建咸, 建娴, 建宪, 建岘, 建掀, 建显, 建献, 建现, 建羡, 建衔, 建賢, 建锨, 建鲜, 戬先, 检贤, 歼献, 涧羡, 涧贤, 渐先, 渐娴, 湔線, 煎先, 监先, 监贤, 碱锨, 简仙, 箭宪, 箭弦, 缄先, 缄锨, 舰宪, 艰险, 荐先, 荐贤, 荐锨, 见先, 见娴, 见宪, 见弦, 见苋, 见贤, 谏仙, 贱仙, 贱贤, 鉴先, 鉴娴, 鉴宪, 鉴显, 鉴贤, 鑑贤, 键涎, 键贤, 键锨, 间仙, 间线, and 间贤