| Acronym | Definition |
|---|
| BG | Brigadier General |
| BG | Bag |
| BG | Background |
| BG | Bulgaria (International Auto Identification) |
| BG | Being |
| BG | Bangladesh |
| BG | Bass Guitar |
| BG | Baldur's Gate (game) |
| BG | Be Good |
| BG | Big Girl |
| BG | Battle Group |
| BG | Bank Guarantee |
| BG | Battle Ground (Washington) |
| BG | Battleground |
| BG | Barge |
| BG | Beautiful Girl |
| BG | Bad Guy |
| BG | Bee Gees (Brothers Gibb, band) |
| BG | Bad Girl |
| BG | Basal Ganglia |
| BG | Blood Gas |
| BG | Bad Game (gaming slang) |
| BG | Bezahlt Geld |
| BG | Bergamo, Lombardia (Italian province) |
| BG | Beautiful Game (gaming) |
| BG | Beech Grove |
| BG | Blue Gender (anime) |
| BG | Beer Goggles (band) |
| BG | Battle Gear (arcade racing video game series) |
| BG | Begane Grond (Dutch: ground floor) |
| BG | Before Google |
| BG | Bacillus Globigii |
| BG | Beach Group |
| BG | Basisgruppe |
| BG | Backup Generator |
| BG | Baby Gangsta (band) |
| BG | Bangladesh Biman (airline code) |
| BG | Blind Gossip (website) |
| BG | Band Geek |
| BG | Bis Gleich (German: be right back) |
| BG | Blood Gulch (gaming) |
| BG | Bump & Grind |
| BG | Beautiful Garbage (band Garbage's 3rd album) |
| BG | Battery Ground |
| BG | Bacillus Subtilis Var Niger (biological warfare agent simulant) |
| BG | Blue Gauntlet (sport fencing supplier, New Jersey) |
| BG | Before Guild (gaming date, Dune) |
| BG | Before Guild (science fiction, Dune) |
| BG | Bomberman Generation (video game) |
| BG | Birmingham Gauge (wire) |
| BG | Barangay Ginebra (Philippines) |
| BG | Bubble Ghost (game) |
| BG | Bancada Guatemala (Guatemala political party) |
| BG | Beygir Gucu (Turkish: Horse Power) |
| Bg | Gas Shrinkage Factor (hydrocarbon physical properties) |
| BG | Blackstone Group |
| BG | Ben Gurion |
| BG | Bunge Ltd. (stock symbol) |
| BG | Belgrade (Serbia) |
| BG | Board Game |
| BG | Bundesgericht (German: Federal Supreme Court; Switzerland) |
| BG | Booster Gold (superhero) |
| BG | Bioglass (NovaBone Products, LLC) |
| BG | Bevel Gear (automation) |
| BG | Bilderberg Group |
| BG | Blood Glucose (medical) |
| BG | Body Guard |
| BG | Buffalo Grove (Chicago, IL suburb) |
| BG | Below Ground |
| BG | Bundesgymnasium (School; Austria, Europe) |
| BG | Bloodhound Gang (band) |
| BG | Bubble Guts |
| BG | Burial Grounds |
| BG | Burg |
| BG | Bowling Green (Kentucky, Ohio) |
| BG | Ben Gay |
| BG | Budget Guidance |
| BG | Berufsgenossenschaft (German: professional association) |
| BG | Brigade General |
| BG | Blind Guardian (band) |
| BG | Bowling Green State University |
| BG | Bus Grant |
| BG | Buffalo Grass |
| BG | Block Group |
| BG | Bomb Group |
| BG | Bord Gais (gas supply company in Ireland) |
| BG | Border Gateway (3GPP) |
| BG | Boring Game |
| BG | Bride Groom |
| BG | Beige |
| BG | Big Grin |
| BG | British Gas PLC |
| BG | Botanical Garden |
| BG | Box Girder (structure) |
| BG | Black Gangsta |
| BG | Bhagavad Gita |
| BG | Bombardment Group |
| BG | Bill Goldberg (WWE Wrestler) |
| BG | Business Group |
| BG | Busch Gardens (amusement park) |
| BG | Bene Gesserit (Dune) |
| BG | Billions of Gallons |
| BG | Bezirksgericht (Court of Justice; Austria, Europe) |
| BG | Bill Gates |
| BG | Big Generator (album by Yes) |
| BG | Boston Globe (newspaper) |
| BG | Bubble Gum |