OSFP
| 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) |