The Sancheong and Hamyang massacre (, Hanja: 山清・咸陽良民虐殺事件) was a massacre conducted by a unit of the South Korean Army 11th Division during the Korean War. On 7 February 1951, 705 unarmed citizens in Sancheong and Hamyang, South Gyeongsang district of South Korea were killed. The victims were civilians and 85% of them were women, children and elderly people. The 11th Division also conducted Geochang massacre two days later. The division's commanding general was Choe Deok-sin. On 20 February 2006, National Archives of Korea reported the files about the massacre were found.