LCN
- American Mafia
- Balcanoona Airport
- Cattleya
- Guarianthe
- La Coka Nostra (hiphop group)
- Laelia
- Landing craft
- Le Canal Nouvelles
- Library of Congress Control Number
- Lincoln railway station
- Logical channel number
- London Centre for Nanotechnology
- Low copy number
- Pavement Classification Number
- Sicilian Mafia