| B&S | Briggs and Stratton 
| Others |
| B&T | Bus and Truck
| Others |
| B&TC | Black and Tan Coonhound
| Others |
| B&VI | Blind and Visually Impaired
| Others |
| B&W | 1st Reader Mono (Black and White) binary screen image Bitmap graphics
| Others |
| B&W | Bitmap graphics (black and white) (atari - mac)
| Others |
| B&W | Black And White
| Others |
| B&W | Black and White Edition
| Others |
| B&W | Bourbon & Water
| Others |
| B&W | Bowers & Wilkins
| Others |
| B&W | Bread and Water
| Others |
| B&W | Burmeister and Wain
| Others |
| B'H | Baruch Hashem
| Others |
| B'way | Broadway
| Others |
| B) | Smiley with sunglasses
| Others |
| B-) | Cool
| Others |
| B-) | Glasses or sunglasses
| Others |
| B-) | happy face
| Others |
| B-1 DIV | Rockwell B-1 Division
| Others |
| B-12 | Vitamin B-12 (a-(5,6-DiMethylBenzimiDazolyl) CobamidCyanide)
| Others |
| B-17 | Bomber, 17th model (Flying Fortress)
| Others |
| B-29 | Bomber, 29th model; Super Fortress
| Others |
| B-52 | Bomber, 52nd model; Boeing Stratofortress
| Others |
| B-ALL | B-cell Acute Lymphoblastic Leukaemia
| Others |
| B-BBEE | Broad-Based Black Economic Empowerment
| Others |
| B-BOY | Biblically Not (-) Before Our Year
| Others |
| B-CAP | Black Cops Against Police Brutality
| Others |
| B-CAP | Black Cops Against Policy brutality
| Others |
| B-CPE | Broadband Customer Premises Equipment
| Others |
| B-D | Broker-Dealer
| Others |
| B-DAY | Birthday
| Others |
| B-G | Bragg-Gray cavity theory
| Others |
| B-HCG | beta-human chorionic gonadotrophic hormone
| Others |
| B-ICI | Broadband Inter-Carrier Interface
| Others |
| B-ISDN | Broadband Integrated Services Digital Network
| Others |
| B-JCSP | Belfast-Jerusalem Civil Society Partnership
| Others |
| B-O | Batch-off
| Others |
| B-RAID | Biblical Redundant Array of Independent Documents
| Others |
| B-S | Bead-setting
| Others |
| B-School | Business School
| Others |
| B-STING | Beam Sight Technology
| Others |
| B-V | Binary - Variable star
| Others |
| B-WPHC | Baltimore- Washington Public Health Consortium
| Others |
| B. | Birth
| Others |
| B. | Born (date/place of birth)
| Others |
| B. | Burial (location or date)
| Others |
| b. | date/place of birth
| Others |
| B. A. | Boston Athenaeum
| Others |
| B. COM | Bachelor of Commerce
| Degree |
| B. D Sc. | Bachelor of Dental Science
| Others |