Ordnance Survey
- Country: United Kingdom
- Type: Science
- Website: www.ordnancesurvey.co.uk
- Update: 05-02
The Ordnance Survey is the world's leading national mapping agency, established in 1791, and has earned a reputation for its high standards and the professionalism of its staff, specializing primarily in the production of public maps of the British mainland and now one of the largest mapmakers in the world.
