Hao Peng (traditional Chinese: 郝鵬; simplified Chinese: 郝鹏; pinyin: Hǎo Péng; Wade-Giles: Hao P'eng) (born 1881) was a politician in the Republic of China. He belonged to the Beijing Government, later he became an important politician during the Wang Jingwei regime. His adult name was Yucang (浴滄). He was born in Sanhe, Zhili (Hebei).
In the end of the Qing Dynasty, Hao Peng graduated the Shandong High School. Firstly he entered to educational circle in Fengtian, and successively held the positions of general supervisor of the elementary school and teacher of the preparatory for studying abroad, manager of the junior high school. Then he turned to political circle, and successively held the positions of president of the Gazette Bureau of Hubei and chief to the Department of Agricultural Affairs of the public office for encouragement of industry, Shandong (山東省勸業公所農務科科長).
After establishing the Republic of China, Hao Peng successively held the positions of public prosecutor of the Financial Ministry and chief of the General Affairs Agency. From December 1924 until January 1926 he worked as Chief of the Financial Agency of Zhili. Later he became a staff officer for Zhang Zongchang, and was appointed Governor Anhui. In 1927 he retired from political circle for a while.
In October 1941 Hao Peng was appointed Member to the Commission for Rivers and Aqueducts in North China (華北河渠委員會委員) of the North China Political Council (華北政務委員會), the Wang Jingwei regime. In next January he was catapulted to Chief Executive of the Suhuai Special Region (蘇淮特別區行政長官). In same March he also held the position of commander to the security forces of the same Region. In September 1943 he transferred to Political Councilor (政務參赞) of the National Government (Wang's clique).
After that the whereabouts of Hao Peng were unknown.