Jianxing () may refer to:
Townships in China Jianxing Township, Sichuan, in Zitong County, Sichuan Jianxing Township, Yunnan, in Xinping Yi and Dai Autonomous County, Yunnan
Historical eras Jianxing (223–237), era name used by Liu Shan, emperor of Shu Han Jianxing (252–253), era name used by Sun Liang, emperor of Eastern Wu Jianxing (313–317), era name used by Emperor Min of Jin, later continued by Former Liang rulers until 361 (except for a brief interruption 354–355) Jianxing (386–396), era name used by Murong Chui, emperor of Later Yan Jianxing (819–830), or Geonheung, era name used by Seon of Balhae
People Wei Jianxing, Chisese statesman.