| Acronym | Definition |
|---|
| OSFP➣Open Shortest Path First (RFC 1247; routing algorithm) |
| OSFP➣Olympiakos Syndesmos Filathlon Pireos (Greek: Olympiakos Fan Club of Pireas) |
| OSFP➣Office of Special Funded Projects (California) |
| OSFP➣Open Society Fund Prague (cultural foundation; Czech Republic) |
| OSFP➣Ottawa Senators Fan Page (hockey; Ottawa, Canada) |
| OSFP➣Orissa Social Forestry Project (India) |