Ralph Royce was a United States Army Air Forces general during World War II. A West Point graduate who learned to fly in 1915–16, he served with the 1st Aero Squadron in the Pancho Villa Expedition and later led it on the Western Front. During World War II as a brigadier general, he led the Royce special mission to Mindanao, in which a small force of bombers flew from Australia to attack Japanese targets in the Philippines. Later he was Deputy Commander of the Ninth Air Force and commanded the 1st Provisional Tactical Air Force.