| Acronym | Definition |
|---|
| NSL➣National Security Letter |
| NSL➣National Soccer League (Australia) |
| NSL➣Nicaraguan Sign Language |
| NSL➣Novell Secure Login |
| NSL➣Normalized Sgml Library |
| NSL➣Network Service Layer |
| NSL➣Netshow Live |
| NSL➣Newton's Second Law (physics) |
| NSL➣National Sporting Library |
| NSL➣Nursing Student Loans (US HRSA) |
| NSL➣National Speed Limit (UK) |
| NSL➣Norwegian Sign Language |
| NSL➣National Sport Launch (National Association of Rocketry) |
| NSL➣Naval Submarine League |
| NSL➣New Student Leader (various schools) |
| NSL➣Network Storage Link |
| NSL➣Name, Sex, Location |
| NSL➣No Such Luck (band) |
| NSL➣Nottinghamshire Senior League (UK) |
| NSL➣Network Services Library |
| NSL➣North Shore Line (Railroad) |
| NSL➣National State and Local (Government) |
| NSL➣Night Sky Live |
| NSL➣No Strike List |
| NSL➣Near Strike Lightning |
| NSL➣Norwood & St. Lawrence (railroad; New York) |
| NSL➣No Stinking Loops (programming slang) |
| NSL➣No Subscriber Line |
| NSL➣North Sea Lifting Ltd (UK) |
| NSL➣National Student Lobby |
| NSL➣Nonstockage List |
| NSL➣Natural Surface Level |
| NSL➣Nevada State Library |
| NSL➣Nil Sine Labore (Latin: Nothing Without Labor) |
| NSL➣Newbury Street League (Boston, Massachusetts) |
| NSL➣Nuclear Safety Line |
| NSL➣Near Shannon Limit |
| NSL➣Norris Safety Ltd (Kent, UK) |
| NSL➣Naval Standards Laboratory |
| NSL➣Not Stock Listed |
| NSL➣Northstar League (fantasy baseball league) |
| NSL➣Navigation Sounding Layer |
| NSL➣National Space Law |
| NSL➣No Sonic Limits (band) |