OFSI
| Acronym | Definition |
|---|---|
| OFSI | Omni Financial Services, Inc (stock symbol) |
| OFSI | Organization of Food Marketing Structure Improvement |
| OFSI | Orchestra Fiati Svizzera Italiana (Swiss Choir) |
| OFSI | Overseas Freighters Shipping, Inc. (Philippines) |
| OFSI | Open File Sharing Initiative |