LMA
- LaMarcus Aldridge
- Laban movement analysis
- Ladies' Memorial Association
- Land-mammal age
- Laryngeal mask airway
- Late Middle Ages
- League Managers Association
- Lebanese Muslim Association
- Levenberg–Marquardt algorithm
- Light Miniature Aircraft
- Ligue de Martinique d'Athlétisme
- Live Music Archive
- Liverpool Media Academy
- Loan Market Association
- Local marketing agreement
- Lockheed Martin
- London Metropolitan Archives
- Longwood Medical and Academic Area
- Minchumina Airport
- Specific leaf area