| Acronym | Definition |
|---|
| FTB | Franchise Tax Board (California; they collect income and sales tax) |
| FTB | Feed the Beast |
| FTB | Family Tax Benefit (Australian welfare assistance) |
| FTB | Free Thought Blogs (personal blog) |
| FTB | Fear the Boot (podcast) |
| FTB | Far Too Busy |
| FTB | First Time Buyer (housing) |
| FTB | Flower Travellin' Band (Japan) |
| FTB | Flexible Time Band |
| FTB | File Transfer Batch |
| FTB | Fast Task Builder |
| FTB | Front to Back |
| FTB | Foreign Trade Bank of Cambodia |
| FTB | Full Tilt Boogie |
| FTB | Firearms Technology Branch (US ATF) |
| FTB | Family Tree Builder (genealogy software) |
| FTB | First Tennessee Bank |
| FTB | For the Birds |
| FTB | Fade To Black (TV scriptwriting term) |
| FTB | Fifth Third Bank |
| FTB | Forschungsinstitut Technologie-Behindertenhilfe (German technical research institute) |
| FTB | Fluidized Thermal Backfill (electrical construction) |
| FTB | Flying Test Bed |
| FTB | FASB Technical Bulletin |
| FTB | Full-Time Basis (substitute teachers) |
| FTB | Forced to Buy (philately) |
| FTB | Fort Bliss (Texas) |
| FTB | Fort Belvoir (Virginia) |
| FTB | For the Boys |
| FTB | Free Trader Beowulf (gaming guild) |
| FTB | Futuristic Template Building |
| FTB | Father to Be |
| FTB | Filthy Thieving Bastards (band) |
| FTB | Frank the Baptist (alternative/rock band) |
| FTB | Feed the Birds |
| FTB | Fear the Beard |
| FTB | Fetch Target Buffer |
| FTB | Feel the Burn! |
| FTB | Fight the Battle (band) |
| FTB | First the Business |
| FTB | Fast-Twitch B |
| FTB | Fiber Termination Box |
| FTB | Fire Control Technician Ballistic (US DoD) |
| FTB | Fault Tolerant Broadcasting |
| FTB | (USN Rating) Fire Control Technician (Ballistic Missile Fire Control) |
| FTB | Fédération des Trompes du Benelux (French: Benelux Federation of Horns) |
| FTB | Full to Bursting (UK slang) |
| FTB | Forward Technical Bridge |
| FTB | Flight Testbed |
| FTB | Funky Town Boyz (band) |
| FTB | Floating Tire Breakwater |
| FTB | Fear the Blue (website) |
| FTB | Fakenham Town Band (est. 1881) |