| Acronym | Definition |
|---|
| RPSL | RealNetworks Public Source License |
| RPSL | Routing Policy Specification Language (ARIN) |
| RPSL | Royal Philatelic Society London (UK) |
| RPSL | Rock Paper Scissors League |
| RPSL | Rohnert Park Soccer League (Rohnert Park, CA) |
| RPSL | Rapid Prototyping Shared Library (bash scripts and utility files) |
| RPSL | Ridge Pole Support Log (log home construction) |
| RPSL | Real Patriotic Sri Lankans |
| RPSL | Recreation Parks and Sport Leadership |
| RPSL | Relative Peak Sidelobe Level |
| RPSL | Register Packed Subtract Long |
| RPSL | Ricoh Public Source License |
| RPSL | Rush Presbyterian Saint Lukes (Medical Center; Chicago, IL) |
| RPSL | Riverside Pavilion Saint Louis |