Montalto Di Castro Airfield is an abandoned World War II military airfield in Italy, located approximately 16 km southwest of Canino, in the province of Viterbo (northern Lazio) in the internal part of Maremma Laziale, 90 km north-northwest of Rome.

In addition, tents were used for billeting and also for support facilities; an access road was built to the existing road infrastructure; a dump for supplies, ammunition, and gasoline drums, along with a drinkable water and minimal electrical grid for communications and station lighting.

Once completed it was turned over for use by the Twelfth Air Force 324th Fighter Group, 14 June and 19 July 1944, P-40 Warhawk During the Invasion of Southern France (Operation Dragoon), the airfield may have been used by elements of the 314th Troop Carrier Group in mid-August 1944 After the Americans moved out the airfield was dismantled.

Today, traces of the runway are visible in aerial photographs, but the landscape is predominantly agriculture which has erased the remainder of the airfield.

This article incorporates public domain material from the Air Force Historical Research Agency