| Rank | Abbreviation | Meaning |
|---|
| ***** | NSSS | Nursing Student's Stress Scale
| |
| *** | NSSS | Nuclear Steam Supply System
| |
| ** | NSSS | Nursing Student Satisfaction Scale
| |
| * | NSSS | National Strategic Satellite Communications System
| |
| * | NSSS | National Social Security System
| |
| * | NSSS | National Space Science Symposium
| |
| * | NSSS | Nederlandse Studenten Sport Stichting
| |
| * | NSSS | Not So Sweet Sixteen
| |
| * | NSSS | National Space Surveillance System
| |
| * | NSSS | National Social Science Survey
| |
| * | NSSS | North Surrey Secondary School
| |
| * | NSSS | National Social Security Scheme
| |
| * | NSSS | Name Server Software Summary
| |
| * | NSSS | National Salmonella Surveillance System
| |
| * | NSSS | Naval Space Surveillance System
| |
| * | NSSS | Naval Space Surveillance Station
| |
| * | NSSS | North Sea Stock Survey
| |
| * | NSSS | Network Security System Services
| |
| * | NSSS | National Semiconductor publishes Some Specs
| |
| * | NSSS | National Society for the Social Studies
| |
| * | NSSS | Nusrat Senior Secondary School
| |
| * | NSSS | National Security Space Strategy
| |
| * | NSSS | National Structural Steelwork Specification
| |
| * | NSSS | National Security Studies Seminar
| |
| * | NSSS | Navy Space Surveillance System
| |