The Sơn Mỹ Memorial (Di tích Sơn Mỹ) is a memorial to victims of the My Lai Massacre in Son My, Vietnam. It is located in the village of Tịnh Khê, Sơn Tịnh District, Quảng Ngãi Province. U.S. soldiers killed at least 347 Vietnamese in this area on March 16, 1968. The memorial was built in 1978. At the time of the massacre, Sơn Mỹ was a village that included Mỹ Lai and several other hamlets.