| Acronym | Definition |
|---|
| LN | Lane |
| LN | Lincoln (postcode, United Kingdom) |
| LN | Loan |
| LN | Last Name |
| LN | Light Novel |
| LN | Line Number |
| LN | Line to Neutral |
| LN | Like New |
| LN | Logarithm (Natural) |
| LN | Liaison |
| LN | Lotus Notes |
| LN | Lymph Node |
| LN | Laguna Niguel (California city) |
| LN | Lightning Network |
| LN | Liquid Nitrogen |
| LN | Laan (Dutch: lane) |
| LN | Local National |
| LN | LexisNexis (online legal research tool) |
| LN | Leinen |
| LN | Licensed Nutritionist |
| LN | Libyan Arab Airlines (IATA code) |
| LN | Lawrence North (High School) |
| LN | La Nina |
| LN | League of Nations (predecessor to United Nations) |
| LN | Learning Network (USACE) |
| LN | Lega Nord (Italian: Northern League, political party) |
| LN | Lithium Niobate |
| LN | Lead Nation (US DoD) |
| LN | Local Nation(s) |
| LN | Language Neutral (Microsoft Windows programming) |
| LN | Load Number |
| LN | Leslie Nielsen (actor) |
| LN | Lawful Neutral (gaming) |
| LN | Leonard Nimoy (actor) |
| LN | Administrative Leave |
| LN | Level of Noise |
| LN | Larry Niven (Author) |
| LN | Link Utility |
| LN | Legalman (USN Rating) |
| LN | Location and Navigation |
| LN | Little Nickel (newspaper, Washington) |
| LN | Liga Nord (Northern League) |
| LN | Lolita Nation |
| LN | Logarithm, Napierian |
| LN | Local Occupation (Scott Catalogue prefix; philately) |
| LN | Lotería Nacional Para La Asistencia Pública (México) |
| LN | Logistics Need |
| LN | Jamahirya Libyan Arab Airlines (IATA airline code) |