NOSI
| Acronym | Definition |
|---|---|
| NOSI | Naval Open Source Intelligence |
| NOSI | Nonprofit Open Source Initiative (nonprofit organization and software solution cooperation; San Francisco, CA) |
| NOSI | Nitric Oxide Synthase Inhibition |
| NOSI | National Online Statistics Interactive (database; Australia) |
| NOSI | Naval Ordnance Station, Indian Head |