| 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) |