| Acronym | Definition |
|---|
| DB | Database |
| dB | Decibel |
| DB | Deutsche Bundesbahn (German Federal Railways, 1994 amalgamation with Deutsche Reichsbahn, aka DBAG) |
| DB | Double |
| DB | Debug (assembly language ASM51 assembler control) |
| DB | Deutsche Bank |
| DB | Debit |
| DB | Deutsche Bahn AG (German railway company) |
| DB | Dobra (unit of currency of Sao Tome and Principe) |
| DB | Dagbladet |
| DB | David Byrne (singer) |
| DB | Dilbert |
| DB | DragonBall (TV show/anime) |
| DB | Dragon Ball (processor) |
| DB | Discussion Board |
| DB | Die Bahn (German Railways) |
| DB | Defensive Back (football) |
| DB | Defined Benefit (type of qualified retirement plan) |
| DB | Daytona Beach (Florida) |
| DB | Daybook |
| DB | Data Buffer |
| DB | David Bowie (musician) |
| DB | DOSBox (DOS emulator) |
| DB | Data Bus |
| DB | David Beckham (footballer) |
| DB | Design and Build (contract) |
| DB | Daimler Benz |
| DB | Double Bass |
| DB | Dumbbell (weight lifting) |
| DB | Doobie Brothers (band) |
| DB | Dogbert |
| DB | David Blaine |
| DB | Diamond Bar (California) |
| DB | Dead Body |
| DB | Dimmu Borgir (band) |
| DB | Doughboy |
| DB | David Boreanaz (actor) |
| DB | Debenture |
| DB | Dry Bulb (temperature) |
| DB | Darkbasic |
| DB | Dubnium (element 105) |
| DB | Death Benefit (insurance) |
| DB | Daily Bulletin |
| DB | Daughter Board |
| DB | Direct Broadcast |
| DB | Drew Bledsoe (athlete) |
| DB | Deafblind |
| DB | Dooney & Bourke |
| DB | Dierks Bentley (country music artist) |
| DB | Difficulty Breathing (medical) |
| DB | Dirty Bastard |
| DB | Dynamic Bass |
| DB | Declining Balance |
| DB | Dattebayo (anime fansub group) |
| DB | Door Bell |
| DB | Douche Bag |
| DB | Double Bottom (trading markets; stocks, bonds, commodities) |
| DB | Dooney and Bourke |
| DB | Distribution Box |
| DB | Direct Burial (cable/pipe) |
| DB | Digital Blasphemy |
| DB | Discovery Bay (Hong Kong) |
| DB | Double Bottom (shipbuilding) |
| DB | Distribution Board (electronics) |
| DB | Dispatched By |
| DB | Docking Bay |
| DB | Dangling Bond (chemistry) |
| DB | Define Byte (assembly language directive) |
| DB | Sao Tome Dobra (national currency) |
| DB | Deathball (gaming) |
| DB | Division of Biology (FDA) |
| DB | Design Baseline |
| DB | Deutsche Burschenschaft (German: German Fraternity) |
| DB | Direct Billing |
| DB | Drinking Buddies |
| DB | Dime Bag |
| DB | Dream Boat |
| DB | Dumb Blond |
| DB | Direct Bilirubin |
| DB | Delta Band |
| DB | Detective Bureau |
| DB | Delayed Broadcast |
| DB | Denied Boarding (airline) |
| DB | Dumb Bunny |
| DB | Digital Battlefield |
| DB | Direct Budget |
| DB | Dutch Belted (rabbit breed) |
| DB | Detective Branch (Bangladesh) |
| DB | Dog's Bollocks |
| DB | Deutsch-Bonnet (French racing car) |
| DB | Ding Bat |
| DB | Dark Beginning (Yu-Gi-Oh cards) |
| DB | Display Builder |
| DB | Disciplinary Barracks |
| DB | Dip Brazing |
| DB | Deadbands |
| DB | Detection Buffer |
| DB | Don Balón (soccer magazine; Spain) |
| DB | Depth Bomb |
| DB | Dedicated Buffer |
| DB | Deadbeat Parent (someone who does not pay child support) |
| DB | Defence Board |
| DB | Dry Base |
| DB | Doggabyte (1e+30 bytes) |
| DB | Darkenbane (Everquest Guild) |
| DB | diluted bitumen |
| DB | Drunken Brawler (gaming) |
| DB | Dünya Bankasý (Turkish: World Bank) |
| DB | Dispersal Base |
| DB | Balloon drift |
| DB | Developmental Bulletin (USMC) |
| DB | Department of Defense Beneficiary (US DoD) |
| DB | Dome Breach |
| DB | Dynamic Binateness (of a variable) |
| DB | Dual Bitmap (Annex C) (ITU-T) |