OPSF
| Acronym | Definition |
|---|---|
| OPSF | Open Shortest Path First |
| OPSF | Oil Price Stabilization Fund (various countries) |
| OPSF | Occupational Physicians Scholarship Fund |
| OPSF | Orthogonal Polynomials and Special Functions |
| OPSF | Optical Point Spread Function |
| OPSF | Okaloosa Public Schools Foundation (Florida) |