The Phong Nhị and Phong Nhất massacre (Korean: 퐁니·퐁넛 양민학살 사건, Vietnamese: Thảm sát Phong Nhất và Phong Nhị) was a massacre conducted by the 2nd Marine Brigade of the South Korean Marines on 12 February 1968 of unarmed citizens in Phong Nhi and Phong Nhat village, Dien Ban District of Quang Nam Province in South Vietnam.[6][7]