| NSL | Nashville School of Law 
| Others |
| NSL | Nashville Sports Leagues
| Others |
| NSL | National School League
| Others |
| NSL | National Science Laboratories
| Others |
| NSL | National Security Letter
| Others |
| NSL | National Security Letters
| Others |
| NSL | National Sedimentation Laboratory
| Others |
| NSL | National Senior League
| Others |
| NSL | National Shooting League
| Others |
| NSL | National Shopping League
| Others |
| NSL | National Sim League
| Others |
| NSL | National Site License
| Others |
| NSL | National Skydiving League
| Others |
| NSL | National Soccer League
| Others |
| NSL | National Specialty Lighting
| Others |
| NSL | National Speed Limit
| Others |
| NSL | National Sport Launch
| Others |
| NSL | National Sprint League
| Others |
| NSL | National State Local
| Others |
| NSL | National Suppliers List
| Others |
| NSL | Natural Surface Level
| Others |
| NSL | Naval Submarine League
| Others |
| NSL | Nebraska Soccer League
| Others |
| NSL | Netshow Live
| Others |
| NSL | NetSurfer Library
| Others |
| NSL | Network Security Lab
| Others |
| NSL | Network Security Laboratory
| Others |
| NSL | Network Service Layer
| Others |
| NSL | Network Services Library
| Others |
| NSL | Network Simulation Language
| Others |
| NSL | Network Socket Layer
| Others |
| NSL | Networked Systems Lab
| Others |
| NSL | Networked Systems Laboratory
| Others |
| NSL | Neural Structured Learning
| Others |
| NSL | Neural Systems Laboratory
| Others |
| NSL | Nevada Seismological Laboratory
| Others |
| NSL | Never Stop Learning
| Others |
| NSL | New Student Leader
| Others |
| NSL | Newton's Second Law
| Others |
| NSL | Nigeria Sign Language
| Others |
| NSL | Nigerian Soccer League
| Others |
| NSL | Nil Sine Labore
| Others |
| NSL | Nissan Skyline
| Others |
| NSL | Nmdc Steel Limited
| Others |
| NSL | No Scope Legend
| Others |
| NSL | No Signs or Lights
| Others |
| NSL | No Social Life
| Others |
| NSL | No Speed Limit
| Others |
| NSL | No Speed Limiter
| Others |
| NSL | No Stinking Loops
| Others |
| NSL | No Such Language
| Others |
| NSL | No Such Luck
| Others |
| NSL | No-Strike List
| Others |
| NSL | Non Standard Leather
| Others |
| NSL | Non-Stockage List
| Others |
| NSL | Nonlinear Sytems Laboratory
| Others |
| NSL | Normalized Sgml Library
| Others |
| NSL | North Salt Lake
| Others |
| NSL | Northeast Soccer League
| Others |
| NSL | Norwegian Sign Language
| Others |
| NSL | Not So Long
| Others |
| NSL | Not Street Legal
| Others |
| NSL | Nottingham Scientific Ltd
| Others |
| NSL | Novell Secure Login
| Others |
| NSL | Nspire Sports League
| Others |
| NSL | Nuclear Science Laboratory
| Others |
| NSL | Nuclear Structure Laboratory
| Others |
| NSL | Number Of Satisfied Links
| Others |
| NSL | Nursing Student Loans
| Others |
| NSL | St. Lawrence and Raquette River Railroad
| Others |