Igor Mykolaiovych Svergun (Ukrainian: Ігор Миколайович Свергун, romanized: Ihor Mykolaiovych Sverhun; February 10, 1966 – June 23, 2013) was a Soviet and Ukrainian climber, who climbed many of the highest mountains in the world. Svergun was murdered on 23 June 2013, when leading an international expedition to Nanga Parbat, Pakistan. Terrorists attacked the base camp, at an altitude of approximately 4200m, and shot ten mountaineers including him.