| Acronym | Definition |
|---|
| BTW➣By The Way |
| BTW➣Between |
| BTW➣By the Way (Red Hot Chili Peppers album) |
| BTW➣Below the Water |
| BTW➣Between The Words |
| BTW➣Before the War |
| BTW➣Books That Work |
| BTW➣Beyond the Wall |
| BTW➣Behind the Wheel |
| BTW➣Back To Work (shorthand used in email) |
| BTW➣Build the Wall |
| BTW➣Born This Way |
| BTW➣Bridge the World |
| BTW➣Born to Win |
| BTW➣Be That Way (less common) |
| BTW➣Balls to the Wall |
| BTW➣Bring the Wine |
| BTW➣Below the Waist |
| BTW➣Booker T. Washington (various locations) |
| BTW➣Best to Worst (ranking) |
| BTW➣Back to Wall (toilet style) |
| BTW➣Bridging the Watershed (educational outreach program) |
| BTW➣Big Time Wrestling (various locations) |
| BTW➣Belasting op Toegevoegde Waarde (Dutch: Tax On Added Value) |
| BTW➣Better Than Wolves (gaming) |
| BTW➣Bearing to Waypoint |
| BTW➣Breast Test Wales (Welsh breast cancer screening program) |
| BTW➣Bt Wholesale |
| BTW➣Bluetooth for Windows |
| BTW➣Black Theatre Workshop (Canada) |
| BTW➣Board Test Workshop |
| BTW➣Beyond These Walls |
| BTW➣Between the Wars |
| BTW➣Bring the Wheelchair (text slang) |
| BTW➣Bak-Tang-Wiesenfeld Sandpile (physics) |
| BTW➣Bundesverband der Deutschen Tourismuswirtschaft |
| BTW➣Boat Wave |
| BTW➣Belasting Toegevoegde Waarde (Dutch: value added tax) |
| BTW➣Business Travel World (trade magazine; UK) |
| BTW➣Brothers of the Third Wheel (trikers organization) |
| BTW➣British Telecom Wholesale (UK) |
| BTW➣BioTech World |
| BTW➣British Traditional Wicca |
| BTW➣Butuanon (SIL code, Philippines) |
| BTW➣Business and Technical Writing |
| BTW➣British Traditional Witchcraft |
| BTW➣Bike This Way |
| BTW➣Breaching the Web |
| BTW➣Blood Thirsty Warriors (gaming clan) |
| BTW➣Band-To-Wavelength |
| BTW➣Buried Transuranic Waste |
| BTW➣Barbarian: Total War (game mod) |
| BTW➣Burlington Trailways Charters and Tours |
| BTW➣Beyond Tears Worldwide (Christian humanitarian and development organization) |
| BTW➣Border Terrier Welfare (UK registered charity) |
| BTW➣Bite the Waffle |