"Atomic Annie" redirects here. For the French businesswoman and nuclear power advocate referred to as Atomic Anne, see Anne Lauvergeon

The M65 Atomic Cannon, often called Atomic Annie, was a towed artillery piece built by the United States and capable of firing a nuclear device. It was developed in the early 1950s, at the beginning of the Cold War, and fielded by 1953 in Europe and Korea.