Ahn Sang-soo (; born February 9, 1946, in Changwon) is a South Korean politician. He was chairman of the Grand National Party, the precursor to the Saenuri Party. He was the Mayor of Changwon from 2014 to 2018. He hopes to improve that city's bicycle-sharing plan.
He mistook thermos flasks as North Korean artillery shells in a bombed-out house afflicted after the Bombardment of Yeonpyeong. This has stirred controversies in the National Assembly of South Korea.