Chiu Tai-san (Chinese: 邱太三; pinyin: Qiū Tàisān; born 30 August 1956) is a Taiwanese lawyer and politician. He was a member of the Legislative Yuan from 1999 to 2004. He then served the Mainland Affairs Council as a vice chairman, and later as deputy mayor of Kaohsiung under Chen Chu. After leaving politics for a teaching position, Chiu was named the deputy mayor of Taoyuan under Cheng Wen-tsan in 2014. He resigned in 2016, and was appointed the Minister of Justice later that year. Chiu stepped down from the justice ministry in 2018, and served on the National Security Council until 2019. In 2021, Chiu was appointed minister of the Mainland Affairs Council.