| Abbreviation | Definition |
|---|---|
| NSPS | National Society of Physics Students |
| NSPU | Novosibirsk State Pedagogical University |
| NSRO | NACURH Services and Recognition Office |
| NSS | National Student Survey |
| NSSA | National Scholastic Surfing Association |
| NSSA | Nevada State Student Alliance |
| NSSTC | National Space Science and Technology Center |
| NST | Natural Sciences Tripos |
| NST | Northwood School of Taxidermy |
| NSTC | National Seaweeds Technology Center |
| NSTE | Non-Student Temporary Employee |
| NSTS | Network for Science and Technology for Sustainability |
| NSTU | Novosibirsk State Technical University |
| NSU | Nicholls State University |
| NSU | No Such University |
| NSU | Nordic Summer University |
| NSU | Norfolk State University |
| NSU | North South University |
| NSU | Northeastern State University |
| NSU | Northern State University |