Ordnance
Look up ordnance in Wiktionary, the free dictionary.
Ordnance may refer to:
Military and defense
- Materiel in military logistics, including weapons, ammunition, vehicles, and maintenance tools and equipment
 - Artillery
 - Artillery shells
 - Aircraft ordnance, weapons carried by and used by an aircraft
 
Places
- Ordnance, Oregon, United States
 - Ordnance Island, Bermuda
 
Maps-related
- Ordnance datum (from use in ballistics), a vertical datum used as the basis for deriving altitudes on maps
 - Ordnance Survey, the national mapping agency for Great Britain