Praemonitus praemunitus or forewarned is forearmed may refer to:
Motto of the United States Army Security Agency Motto of the U.S. Air Force Theater Battle Control Division at Hanscom Air Force Base, Massachusetts
Praemonitus Praemunitus, the title of the second American edition of the Protocols of the Elders of Zion, first published in 1920 Praemonitus Praemunitus, the motto of Investigations & Protective Services, Hollywood, Florida. Forewarned is Forearmed, the motto of the British Royal Observer Corps Praemonitus Praemunitus, the motto of the Gearing-class destroyer Forewarned, Forearmed, the motto of the Australian Army Intelligence Corps. Forewarned, Forearmed, the motto of .