NSSL
| Acronym | Definition |
|---|---|
| NSSL | National Severe Storms Laboratory |
| NSSL | National Seed Storage Laboratory (USDA) |
| NSSL | Northwest Suburban Soccer League |
| NSSL | New South Softball League (Birmingham, AL) |
| NSSL | Nova Scotia Student Loan |
| NSSL | Nutritional Standards for School Lunches (UK) |