LNU
| Acronym | Definition |
|---|---|
| LNU | Last Name Unknown |
| LNU | Landesgemeinschaft Naturschutz und Umwelt (German: Community Land Conservation and Environment; est. 1976; North Rhine-Westphalia, Germany) |
| LNU | League of Nations Union (UK; 1918-1971) |
| LNU | Liaoning Normal University (Dalian, Liaoning, China) |
| LNU | Lincolnshire Naturalists' Union (Horncastle, Lincolnshire, England, UK) |
| LNU | Lao National University (Laos) |