Shusun Bugan 叔孫不敢 (died 505 BCE), posthumous title Shusun Chengzi 叔孫成子, was a high minister in the state of Lu 魯 during the Spring and Autumn period 春秋 (770-5th cent. BCE). He was the son of Shusun Chuo 叔孫婼 and served the dukes Zhao 魯昭公 (r. 542-510) and Ding 魯定公 (r. 510-495) of Lu.
He was a member of the house of Shusun 叔孫, one of the Three Huan families 三桓 that dominated the fate of Lu. In 509, Shusun Bugan was entrusted with the escort of the corpse of Duke Zhao, who had died in exile in Jin 晉.