PSOL
| Acronym | Definition |
|---|---|
| PSOL | Positive Sample Only Learning (algorithm) |
| PSOL | Program on Social and Organizational Learning (School of Public Policy; George Mason Univeristy; Fairfax, VA) |
| PSOL | Pet Supplies on Line (est. 1997; Australia) |
| PSOL | Probability Statistics Object Library (various universities) |
| PSOL | Proportional Solenoid |
| PSOL | Party for Socialism and Liberation (political group; Brazil) |