TBL
- Bernard Lyot Telescope
- List of filename extensions (S–Z)
- TRANS.TBL
- Tampa Bay Lightning
- Tanzania Breweries Limited
- Tauron Basket Liga
- Tboli language
- Team-based learning
- Thailand Basketball League
- The Basketball League
- The Blacklist
- Tim Berners-Lee
- Transmission balise-locomotive
- Triple bottom line
- Türkiye Basketbol Ligi
- World Wide Web