NPSL
| Acronym | Definition |
|---|---|
| NPSL | Nonprofits in Second Life (virtual community) |
| NPSL | National Professional Soccer League (USA) |
| NPSL | National Physical and Standards Laboratory (Pakistan) |
| NPSL | National Philharmonic Society of Lithuania (est. 1940) |
| NPSL | Navy Primary Standards Laboratory |
| NPSL | Numeric Power Systems, Ltd. (India) |
| NPSL | Non-Point Source Load (water pollution) |