| Acronym | Definition |
|---|
| PSSL➣Pro Sound and Stage Lighting |
| PSSL➣Pharmacuetical Society of Sri Lanka |
| PSSL➣PlayStation Shader Language (video game programming) |
| PSSL➣Peripatetic Seminar on Sheaves and Logic (mathematics; various locations) |
| PSSL➣Port Skills and Safety Limited (UK) |
| PSSL➣Port Skills and Safety Ltd. (UK) |
| PSSL➣Puget Sound Sports League |
| PSSL➣Power Steering Stop Leak (steering fluid) |