Cai Shaoqing (Chinese: 蔡少卿; 14 August 1933 – 30 November 2019) was a Chinese historian and professor at Nanjing University, considered a leading authority on the history of Chinese secret societies. He pioneered the research of Tiandihui and other secret societies using Qing dynasty archives and overturned the findings of earlier Republican-era scholars. He also studied the links between the Warlord Era and banditry during the late Qing dynasty and early Republic of China. He received the Frederic Milton Thrasher Award for his research on Chinese secret societies.