LPR
- (Le) Poisson Rouge
- LPR (cycling team)
- Laryngopharyngeal reflux
- Lawful permanent resident
- Lazarus (IDE)
- League of Polish Families
- Libertarian Party of Russia
- License plate recognition
- Liga Puerto Rico
- Light pollution reduction
- Line Printer Daemon protocol
- List of United States Navy amphibious warfare ships
- Living Planet Report
- Long Preston railway station
- Low-power radio
- Luhansk People's Republic