VLT may stand for:
Entertainment and media
- Vestmanlands Läns Tidning, a Swedish newspaper in Västerås
- Video lottery terminal, used to gamble on video games
Science and technology
- Very Large Telescope, an astronomical observatory in Chile
- Virtual Link Trunking, a proprietary networking protocol
- Visible light transmission, in car windows or goggles
Other uses
- Postal code for Valletta, Malta
- VLT (Rio de Janeiro), a light rail system in Brazil
- VLT sandwich, containing vegetarian bacon, lettuce and tomato—analogous with a BLT