| B/B | Bed and Breakfast | |
| BB | Blackberry | |
| BB | Bulletin Board | |
|
| BB | Baby Boy | |
| BB | Bed & Breakfast (also seen as B&B) | |
| BB | Big Brother (TV show) | |
| BB | Be Back | |
| BB | Big Black (MTV character) | |
| BB | Black Bird | |
| BB | Body Builder | |
| BB | Bad Boy | |
| BB | Big Bang | |
| BB | Broadband | |
|
| BB | Blackboard | |
| BB | Bling-Bling (gaudy jewelry) | |
| BB | Basic Block | |
| BB | Beach Boys | |
| BB | Blackburn (postcode, United Kingdom) | |
| BB | Bloomberg (financial company) | |
| BB | Big Butt | |
| BB | Blockbuster (video) | |
| BB | Bottom Bracket (bicycle) | |
| BB | Banco do Brasil (Brazil) | |
| BB | Best Buy (consumer electronics store) | |
| BB | Building Block | |
| B/B | Baseband (US DoD) | |
| BB | Black Box | |
| BB | Blue Book | |
| BB | Ball Bearing | |
| BB | Barbados | |
| BB | Bean Bag | |
| BB | Black Belt | |
| BB | Big Band | |
| BB | Bye Bye | |
| BB | Boys' Brigade | |
| BB | Boys' Brigade (UK) | |
| BB | Barry Bonds (baseball player) | |
| BB | Big Block (auto engine) | |
| BB | Body Bags (TV series) | |
| BB | Bold and the Beautiful (TV show) | |
| BB | Bill Bailey (comedian) | |
| BB | Barbara Bush (wrestling) | |
| BB | Bowling Ball | |
| BB | Black Bean | |
| BB | Belly Button | |
| BB | Blues Brothers | |
| BB | Black Border | |
| BB | Blue Blazer (wrestling) | |
| BB | Big Bird (Sesame Street character) | |
| BB | Big Book | |
| BB | Blue Box (Fone Freaks) | |
| BB | Batman Begins (movie) | |
| BB | Batman Begins | |
| BB | Brought By | |
| BB | Bangladesh Bank | |
| BB | Brigitte Bardot | |
| BB | Big Business | |
| BB | Bugs Bunny | |
| BB | Base Ball | |
| BB | Beauty and the Beast | |
| BB | Bill Blass | |
| BB | Battleship | |
| BB | Breaking Benjamin (band) | |
| BB | Backbone (networking) | |
| BB | Blood Brothers (band) | |
| BB | Blue Balls | |
| BB | Beta-Blockers | |
| BB | Blessed Be | |
| BB | Bollinger Bands (John Bollinger; investment concept) | |
| BB | Benazir Bhutto (Pakistani politician) | |
| BB | Blood Bowl (gaming) | |
| BB | Bodyboard | |
| BB | Blackbody | |
| BB | Breaking Bad (TV show) | |
| BB | Best Buddies | |
| BB | Beastie Boys | |
| BB | Barbell (weight lifting) | |
| BB | Black Burst | |
| BB | Blizzard Beach (Walt Disney World) | |
| BB | Blue Beetle (superhero) | |
| BB | Backstreet Boys (band) | |
| BB | Best Before | |
| BB | Basket Ball | |
| BB | Bis Bald (German: see you soon) | |
| B/B | Book to Bill | |
| BB | Big Blind (poker) | |
| BB | Big Breakfast (UK TV show) | |
| BB | Bill Belichick (football coach) | |
| BB | Best of Breed | |
| Bb | Bumble and bumble (hair care products) | |
| BB | Blues Boy (singer BB King) | |
| BB | Brooklyn Bridge | |
| BB | Beyblade (anime) | |
| BB | Buffalo Bill | |
| BB | Berlinetta Boxer (Ferrari) | |
| BB | Beyond Birthday (gaming) | |
| BB | Bo Bice (American Idol TV show) | |
| BB | Big Bet (poker) | |
| BB | Big Bully | |
| BB | Bad Brains (band) | |
| BB | Body Blow (boxing) | |
| BB | Barnacle Boy | |
| BB | Beatbox | |
| BB | Brady Bunch (TV show) | |
| BB | Bread and Butter | |
| BB | Beginning Balance (finance) | |
| BB | Booty Bay (gaming, World of Warcraft) | |
| BB | Baby Boomer | |
| BB | Bunk Beds | |
| BB | Blitzball (gaming, Final Fantasy 10) | |
| BB | Bad Breath | |
| BB | Bill Back | |
| BB | Battle of the Bulge (gaming) | |
| B/B | Brass Board | |
| Bb | Best Boards (forum software) | |
| BB | Blythe Baxter (fictional character) | |
| BB | Bobby Bonilla (former baseball player) | |
| BB | Bail Bond | |
| BB | Big Bluestem (grass) | |
| BB | Breakbulk (US DoD) | |
| BB | Bugle Boy | |
| BB | Beanie Baby | |
| BB | Breadboard | |
| BB | Berlin Brigade | |
| BB | Beavis & Butthead | |
| BB | Bolted Bonnet | |
| BB | Bottom Bounce | |
| BB | British Bulldog | |
| BB | Botrycoccus Braunii (microalga) | |
| BB | Bunker Buster (bomb) | |
| BB | Beggars Banquet (Rolling Stones album) | |
| BB | Best Bitter (British Ale) | |
| BB | Batman Beyond (cartoon) | |
| BB | Book Binge (website) | |
| BB | Bareboat (chartered shipping term) | |
| BB | Bare Back | |
| BB | B'nai B'rith | |
| BB | Bond Building (US government) | |
| BB | Bad Break (proofreading, inappropriate line break) | |
| BB | Base Band | |
| BB | Bachelor of Business | |
| BB | Bilderbergs | |
| BB | Bundesbahn (German Federal Railroad) | |
| BB | Burning Blade (World of Warcraft game) | |
| BB | Bundle Branch | |
| BB | Brent Barry (NBA Player) | |
| BB | Beast Boy (Teen Titans character) | |
| BB | Buffer Base (blood measurement) | |
| BB | Band Boosters | |
| BB | Bandwidth Broker | |
| BB | Bridgeport Bluefish (CT baseball team) | |
| BB | BattleBots | |
| BB | Business Board | |
| BB | Backbord (German: Nautical Port) | |
| BB | Blitz Basic (gaming) | |
| BB | Billing Block (Sprint) | |
| BB | Brightest Blessings | |
| BB | Boulogne Boys | |
| BB | Bad Beginning (Lemony Snicket) | |
| BB | Barnbördshus (Swedish: Maternity Ward) | |
| BB | Bargain Booze (UK store) | |
| BB | Bhangra Blowout | |
| BB | Bridge Board (Amiga & Commodore) | |
| BB | Border Brother (prison gang) | |
| BB | Butt Boy | |
| BB | Base Bleed (extended range artillery projectile) | |
| BB | Ball Bullet | |
| BB | Burgan Bank | |
| BB | British Blue (cat breed) | |
| BB | Beer Bash | |
| BB | Blackburrow (gaming, Everquest) | |
| BB | Batista Bomb (wrestling finishing move) | |
| BB | Beer Break | |
| BB | Bubble Buddy (Spongebob Squarepants cartoon) | |
| BB | BrainBread (gaming, Half-Life modification) | |
| Bb | Binibini (Filipino: Miss or Ms) | |
| BB | Ballast Bonus (chartered shipping term) | |
| BB | Begin Bracket (Indicator) | |
| BB | Bare Base | |
| BB | Base on Balls, Walk (baseball scoring) | |
| BB | Bureau of Budget | |
| BB | Butcherblock Mountains (Everquest game) | |
| BB | Back Bias | |
| BB | Baby Bullet | |
| BB | Bully Busters | |
| BB | Brass Board | |
| BB | Bovine Babesiosis | |
| BB | Backward Bend (stretching exercise) | |
| BB | Base Burn (extended range artillery projectile) | |
| BB | Bereits Benannt (German, legal) | |
| BB | Boroondara Brass (Boroondara, VIC, Australia) | |
| BB | Blawenburg Band | |
| BB | Block Brazing | |
| BB | Beethoven Band (San Antonio, TX) | |
| BB | Beginning of Bridge (construction) | |
| BB | Bubba Bomb (wrestling finishing move) | |
| BB | Bird Buffer | |
| BB | Bang Bang Apparel Co. Ltd (South Korea) | |
| BB | Birmingham Belt Railroad | |
| BB | Boogie Bandits (breakdance crew) | |