| Acronym | Definition |
|---|
| NL | Netherlands |
| NL | National League (baseball) |
| NL | Not Listed |
| NL | No Limit |
| NL | Natural Language |
| NL | New Line |
| NL | Normal (medical) |
| NL | Northern Light (search engine) |
| NL | Northern Lights |
| NL | Newfoundland and Labrador |
| NL | Namelijk (Dutch: namely) |
| NL | Non-Linear |
| NL | Night Light |
| NL | Nuevo Leon (Mexican state) |
| NL | Network Links (OSPF) |
| NL | Nightlife (The Sims Expansion Pack) |
| NL | National Laboratory |
| NL | Northern League (independent minor league) |
| NL | Province of Newfoundland and Labrador (Canada) |
| NL | No-Load (mutual funds) |
| NL | New Latin |
| NL | No Level (software open licensing) |
| NL | North Latitude |
| NL | Number of Lines |
| NL | Nick Lachey (singer) |
| NL | Network Layer |
| NL | Nobel Laureate |
| NL | Number Line |
| NL | No License |
| NL | Network Library |
| NL | Non-Ladder (Diablo II gaming) |
| NL | Nesting Level |
| NL | Naujieji Lietuviai (Lithuanian: New Lithuanians) |
| NL | Nuevo Laredo, Tamaulipas (Mexico) |
| NL | Nanoliter |
| NL | National Lead (Industries) |
| NL | Non Licet (Latin: It Is Not Allowed, epigraphy) |
| NL | Neuvostoliitto (Finnish: Soviet Union) |
| NL | Normal Load |
| NL | Northern Luzon |
| NL | Neville Longbottom (Harry Potter series) |
| NL | Navy Lighterage (US DoD) |
| NL | Naval Lighter (US Navy) |
| NL | Necrotizing Lymphadenitis (Porcine Circovirus 2) |
| NL | National Libertarian |
| NL | Numerical Laboratory |
| NL | Nondeterministic Logarithmic (complexity theory) |
| NL | Nuevo León (Estado de) (México) |
| NL | Netherbian Lair (Everquest) |
| NL | Northern Lion Gold Corporation (Vancouver, BC, Canada; stock symbol) |
| NL | Nightlight Studios (game developers) |
| NL | NIMA Library |
| NL | Norvegijos Lietuviai (Lithuanian: Norway Libraries) |