General Sir Rupert Anthony Smith, KCB, DSO & Bar, OBE, QGM (born 1943) is a retired British Army officer and author of The Utility of Force. He demonstrated his leadership as a senior commander during the Gulf War, for which he was recognised with the award of the Distinguished Service Order (DSO), and again during the Bosnian War, for which he was recognised with the award of a Bar to his DSO. He later became Deputy Supreme Allied Commander Europe.