TL
- .tl
- Acura TL
- Airnorth
- Danish Union of Professional Technicians
- East Timor
- Fish measurement
- Leyland Tiger
- Liquidus temperature
- Public transport in the Lausanne Region
- TG PGB
- TL (missile)
- TL6 (disambiguation)
- Tagalog language
- Tahiti Ligue 1
- Tahiti Ligue 2
- Team Liquid
- Teens' love
- Tenderloin, San Francisco
- Teralitre
- Thallium
- Thameslink
- Thermoluminescence dating
- Tl (digraph)
- Transform, clipping, and lighting
- Transmission loss
- Turkish lira
- Turn Left (newspaper)
- Télé Liban
- Volkswagen TL