LMS
- Canada
- Denroy Morgan
- Education Reform Act 1988
- LMS color space
- LMS, Moscow
- Labeled magnitude scale
- Laboratory information management system
- Last man standing (video games)
- Latin Mass Society of England and Wales
- League of Legends Master Series
- Leamington Spa railway station
- Learning management system
- Least mean squares filter
- Leiomyosarcoma
- Lenz microphthalmia syndrome
- Library management system
- Licentiate in Mediaeval Studies
- Licentiate in Medicine and Surgery
- List of Marjan Šarec
- Lithuanian Mathematical Society
- Local Mitigation Strategy
- London Mathematical Society
- London Missionary Society
- London, Midland and Scottish Railway
- Loving Municipal Schools
- Loïc Mbe Soh
- Lyrion Music Server
- Pontifical Institute of Mediaeval Studies
- Toronto