| 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) |