| Acronym | Definition |
|---|
| NSLS➣National Synchrotron Light Source |
| NSLS➣North Suburban Library System |
| NSLS➣National Society of Leadership and Success (Hoboken, NJ) |
| NSLS➣Net System Load Shape (electricity consumption) |
| NSLS➣National Security and Law Society |
| NSLS➣Nova Scotia Lifeguard Service (Canada) |