Juno II – Army Ballistic Missile Agency
- Family: Juno
- Length: 24 m
- Diameter: 2.67 m
- Launch Mass: 55 T
- Low Earth Orbit Capacity: 41 kg
The Juno II was manufactured by Army Ballistic Missile Agency with the first launch on 1958-12-06. Juno II has 5 successful launches and 5 failed launches with a total of 10 launches. Juno II was an American space launch vehicle used during the late 1950s and early 1960s. It was derived from the Jupiter missile, which was used as the first stage.