Au Kam San

Au Kam San () (born 30 April 1957 in Macau with family roots in Xinxing, Guangdong, China) is a former member of Legislative Assembly of Macau. He was a member of New Macau Association until 2016 and was one of the three pro-democracy lawmakers in Macau. Au stepped down from the Legislative Assembly at the 2021 elections. On 31 July 2025, Au was arrested by the Judiciary Police for alleged collusion with foreign forces to endanger national security, a crime under the revised Macau National Security Law.