The Vatican Military are the armed forces of the Vatican Papal State, the sovereign territory of the Catholic Church. It consists of several branches such as the Army, Air Force, and Special Forces. Since the election of Pope Alessandro XVIII in 3055 AD, Cardinal Francesco di Medici has served as the Commander of the Vatican Military.
- Trinity Blood: Rage Against the Moons - Volume 1: From the Empire (Indirect mention only)
- Trinity Blood: Rage Against the Moons - Volume 3: Know Faith (First appearance)
- Trinity Blood: Rage Against the Moons - Volume 4: Judgment Day
- Trinity Blood: Reborn on the Mars - Volume 1: The Star of Sorrow (First identified as Vatican Military)
- Trinity Blood Episode 1: Flight Night (Indirect mention only)