Han Jianzi 韓簡子 Han Buxin 韓不信

Han Buxin 韓不信, personal name Ji Buxin 姬不信, also called Han Buning 韓不佞 or Han Boyin 韓伯音, posthumous title Han Jianzi 韓簡子, was a was a nobleman in the state of Jin 晉 and a member of the house of Han 韓 during the Spring and Autumn period 春秋 (770-5th cent. BCE).

He was a son of Han Zhenzi 韓貞子 and served Duke Ding 晉定公 (r. 512-475) as a grand master (dafu 大夫). He participated in the campaign of Xun Li 荀櫟 and Wei Chi 魏侈 (Wei Xiangzi 魏襄子) against the houses of Zhonghang 中行 and Fan 范.