| Acronym | Definition |
|---|
| BTG | BIT (Built-In Test) Target Generator |
| BTG | Bridging the Gap |
| BTG | Behind the Glass |
| BTG | Black Tooth Grin |
| BTG | Back to Godhead (magazine) |
| BTG | Behind the Gates |
| BTG | Balance to Go |
| BTG | Business Target Group (various locations) |
| BTG | Begbies Traynor Group (Manchester, UK) |
| BTG | British Technology Group |
| BTG | Business Technology Group (various locations) |
| BTG | Betreuungsgesetz (Germany) |
| BTG | Broadband Technology Group (PCTEL, Inc.) |
| BTG | Boiler, Turbine, Generator |
| BTG | Biomass Technology Group BV |
| BTG | Beijing Tourism Group (China) |
| BTG | Beyond the Grave (gaming clan) |
| BTG | Beta Thromboglobulin |
| BTG | By the Glass (restaurants) |
| BTG | Biotechnology Group |
| BTG | Ball-Turret Gunner |
| BTG | Bodycote Testing Group (various locations) |
| BTG | Before The Game |
| BTG | Bedrijfstelecommunicatie Grootgebruikers (Dutch: Large-Scale Telecommunications User Company) |
| BTG | Basic Target Graphic |
| BTG | Buck Tooth Grin |
| BTG | Be That Guy |
| BTG | Beat the Geeks (TV show) |
| BTG | Band Theory Group |
| BTG | Bien Ta Grotte (French internet slang) |
| BTG | Bio-Technology General Ltd (Israel) |
| BTG | Broadband Transmit Group |
| BTG | Broadcast Time Group |
| BTG | Berndt Toast Gang (National Cartoonists Society, NCS) |
| BTG | Burundian Transitional Government |
| BTG | Brigade Tactical Group (US Army) |
| BTG | Blog to Great (website) |
| BTG | Boulevard Transportation Group |
| BTG | Better than Geek (Louisiana) |