OMNI
| Acronym | Definition |
|---|---|
| OMNI | Omnidirectional |
| OMNI | Organising Medical Networked Information |
| OMNI | Opportunities for Micronutrient Interventions Project |
| OMNI | Operating Missions as a Node on the Internet (NASA networking project) |
| OMNI | Oppose Militancy & Neutralize Invasion (Gundam Seed anime) |
| OMNI | Open Minds, New Ideas (Poland Spring, ME summer camp) |
| OMNI | Output Matching Network Impedance |
| OMNI | Operation and Maintenance of Navigation Installations |
| OMNI | Overseas Moving Network Institute |