SAPN
| Acronym | Definition |
|---|---|
| SAPN | Société des Autoroutes Paris-Normandie (French: Paris-Normandy Motorway Company; est. 1963) |
| SAPN | San Antonio Paranormal Network (San Antonio, TX) |
| SAPN | Steam Across the Pacific Northwest (railroad video) |
| SAPN | South Asian Perspectives Network |