| Acronym | Definition |
|---|
| NSLI➣National Security Language Initiative |
| NSLI➣National Service Life Insurance |
| NSLI➣National Sports Law Institute (Marquette University) |
| NSLI➣National Service Leadership Institute |
| NSLI➣Network Security Laboratories, Inc. (Bethesda, MD) |
| NSLI➣Nova Scotia Learning Interchange (Canada) |
| NSLI➣National Site Licensing Initiative (UK) |
| NSLI➣Non-Seniority List Instructor |
| NSLI➣Non-Street Lamp Interference |
| NSLI➣Number of Slices |