Last name Jianlong (建龙 
, Jianlong 
, 剑龙 ) , globally, is a common cognomen. The cognomen Jianlong is habitual in China, where it is quite a rare surname, Singapore, where it is a rare surname, and Malaysia, where it is a very rare surname. More prevalently, Jianlong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 健龙, 剑龙, 建龙 | China |
| Jianlong | China, Malaysia, Singapore, Taiwan, United States |
Йианлонг, 件龙, 俭隆, 俭龙, 健垄, 健拢, 健泷, 健珑, 健陇, 健隆, 健龍, 兼龍, 兼龙, 减龙, 剑垄, 剑泷, 剑珑, 剑隆, 劍龍, 劒龍, 坚垄, 坚茏, 坚隆, 坚龙, 尖龙, 建垄, 建拢, 建泷, 建珑, 建笼, 建茏, 建蘢, 建陇, 建隆, 建龍, 暕龙, 枧龙, 检龙, 楗泷, 楗龙, 涧龙, 渐龙, 玪珑, 玪瓏, 监龙, 碱龙, 箭龙, 肩龙, 舰隆, 艰龙, 荐龙, 见泷, 见聋, 见隆, 见龙, 贱隆, 贱龙, 踺爖, 鉴隆, 鉴龙, 鑑隆, 鑑龙, 键泷, 键珑, 键隆, 键龙, 間龍, 间龙, and 饯茏