| Acronym | Definition |
|---|
| PMSL➣Pressure at Mean Sea Level (meteorology) |
| PMSL➣Philadelphia Mixing Solutions, Ltd. (Palmyra, PA) |
| PMSL➣Prince-Mont Swim League (Maryland and Washington, DC) |
| PMSL➣Portal Structure Markup Language (computing) |
| PMSL➣Progressive Management Solutions Limited (course) |
| PMSL➣Pissed My Self Laughing |
| PMSL➣Progressive Management Solutions Ltd. (est. 1994; UK) |
| PMSL➣Performance Metrics Specification Language (computing) |
| PMSL➣Pierz Men's Softball League |