| Acronym | Definition |
|---|
| LDN | London |
| LDN | Lanao Del Norte (Philippines) |
| LDN | Larga Distancia Nacional (Spanish: International Long Distance) |
| LDN | Lakota Dakota Nakota (tribal designation) |
| LDN | Local Data Number |
| LDN | Lsb Developer Network |
| LDN | Linux Developers Network |
| LDN | Ludington Daily News (Ludington, MI) |
| LDN | Logical Device Name |
| LDN | Loi sur la Défense Nationale |
| LDN | Listed Directory Number |
| LDN | Lebanon Daily News |
| LDN | Long Distance Network |
| LDN | Lynds' Dark Nebula |
| LDN | Local Distribution Network |
| LDN | Low Dose of Naltrexone |
| LDN | Local Directory Number (Cisco) |
| LDN | Licensed Dietician/Nutritionist |
| LDN | Local Distinguished Name |
| LDN | Licence Dispensation Notice (UK) |
| LDN | Lesser-Developed Nation |
| LDN | Leading Directory Number |