The 133rd (Parachute) Field Ambulance was a Royal Army Medical Corps unit of the British airborne forces during the Second World War. The 133rd (Parachute) Field Ambulance was formed in Palestine in January 1943, by the conversion of the 133rd Field Ambulance to parachute duties. It was then assigned to the 4th Parachute Brigade, part of the 1st Airborne Division.