3rd Regiment Royal Horse Artillery is a regiment of the Royal Horse Artillery in the British Army. They are currently based in Caen Barracks, Hohne, Germany. It currently serves in the armoured field artillery role, and is equipped with the AS-90 self-propelled gun. Under Army 2020, it is likely to provide force support to the Adaptable Force and might lose its AS-90s in return for light guns. The 105th Regiment Royal Artillery will be paired with this regiment.