OTO Melara
| Company type | S.p.A. (corporation) | 
|---|---|
| Industry | Defence Systems | 
| Founded | 1905 | 
| Defunct | December 31, 2015 (aged 110) (merged into Leonardo | 
| Headquarters | Rome, Italy | 
| Number of locations | La Spezia | 
| Area served | Worldwide | 
| Products | Land, naval and air defence systems | 
| Parent | Leonardo | 
| Website | https://www.leonardo.com/en/home | 
OTO Melara was a subsidiary of the Italian company Finmeccanica, today Leonardo, active in the defence sector, with factories in Brescia and La Spezia.
From 1 January 2016, the activities of OTO Melara merged into Leonardo's Defence Systems Division, within the Electronics, Defence and Security Systems Sector.