LNU
- California Department of Forestry and Fire Protection
- Fnu Lnu
- LNU Lightning Complex fires
- League of Nations Union
- Leyte Normal University
- Liaoning Normal University
- Lincolnshire Naturalists' Union
- Lingnan Normal University
- Linnaeus University
- Longuda language
- Mi'kmaq people
- Robert Atty Bessing Airport
- University of Luhansk
- University of Lviv
- World Assembly of Youth