Ordnance

Ordnance may refer to:

Military

• Board of Ordnance, a British government body created in the 15th century
• Bureau of Ordnance, the U.S. Navy's organization responsible for the procurement, storage, and deployment of all naval ordnance
• Explosive Ordnance Disposal Badge, a military badge of the United States Armed Forces
• Naval Ordnance Laboratory, a former United States military research laboratory
• Ordnance Corps, a combat service support branch of the United States Army
• Ordnance disposal, the process by which hazardous devices are rendered safe
• Para-Ordnance, a firearms manufacturer located in Toronto, Canada
• Royal Army Ordnance Corps, a former corps of the British Army
• Royal Ordnance, a British public corporation that manufactured explosives, ammunition, and small arms
• Royal Ordnance Factory, the collective name of the UK government's munitions factories in and after World War II
• Unexploded ordnance, are explosive weapons that did not explode when they were employed, and still pose a risk of detonation
• United States Army Ordnance Museum, a museum located at Aberdeen Proving Ground, in Aberdeen, Maryland

Surveying

• Ordnance Datum, a vertical datum used by an ordnance survey as the basis for deriving altitudes on maps
• Ordnance Survey, a British government organization that makes and sells maps
• Ordnance Survey Ireland, the mapping agency in the Republic of Ireland

Places

• Ordnance Island, Bermuda, an island located within the limits of St. George's town, Bermuda.
• Ordnance, Oregon, a former community near the Umatilla Chemical Depot