| B | Bachelor 
| Others |
| B | Back
| Others |
| B | Backbone
| Others |
| B | Bad
| Others |
| B | Ballad
| Others |
| B | Ballistic
| Others |
| B | Balls
| Others |
| B | Bananas
| Others |
| B | Band
| Others |
| B | Banned
| Others |
| B | Baptized
| Others |
| B | Barcelona
| Others |
| B | Bargain
| Others |
| b | Barn
| Others |
| B | Barrier
| Others |
| B | Bartholomew
| Others |
| B | Baryon
| Others |
| B | Baryon number
| Others |
| B | Base
| Others |
| B | Baseball
| Others |
| B | Basic
| Others |
| B | BASIC language source code file
| Others |
| B | Bass
| Others |
| B | Batch list
| Others |
| B | Bath
| Others |
| B | Bati
| Others |
| B | Battery
| Others |
| B | Bay
| Others |
| B | Be
| Others |
| B | Bear
| Others |
| B | Beatrice
| Others |
| B | Beatriz
| Others |
| B | Beau (French coin grade equivalent to Very Good)
| Others |
| B | Beauty
| Others |
| B | Behavior
| Others |
| B | Bei
| Others |
| B | Bel
| Others |
| B | Belief
| Others |
| B | Believe
| Others |
| B | Bell
| Others |
| B | Bello (Italian coin grade equivalent to Very Good)
| Others |
| B | Belt
| Others |
| B | Bemisaal
| Others |
| B | Bering Standard Time [UTC - 1100]
| Others |
| B | Berkowitz
| Others |
| B | Bernard
| Others |
| B | Besselian
| Others |
| B | Best
| Others |
| B | Betty
| Others |
| B | Biafra
| Others |
| B | Biased
| Others |
| B | Biblical
| Others |
| B | Bid
| Others |
| B | Big
| Others |
| B | Bigot
| Others |
| B | Bill
| Others |
| B | Billion
| Measurement Unit |
| B | Billy
| Others |
| B | Bingo
| Others |
| B | Biological
| Others |
| B | Biotech
| Others |
| B | Biotechnews
| Others |
| B | Birmingham
| Others |
| B | Bishop
| Others |
| b | bit
| Others |
| B | Bits
| Others |
| B | Bitwise
| Others |
| B | Black
| Others |
| B | Blackeye
| Others |
| B | Blah
| Others |
| B | Blaine
| Others |
| B | Blame
| Others |
| B | Bland
| Others |
| B | Blank
| Others |
| B | Blasphemy
| Others |
| B | Blessed
| Others |
| B | Blind
| Others |
| B | Blonde
| Others |
| B | Blood
| Others |
| B | Bloodhound
| Others |
| B | Blue
| Others |
| B | Blueberry
| Others |
| B | Blurryface
| Others |
| B | Bob
| Others |
| B | Body
| Others |
| b | bold
| Others |
| B | Bomber
| Others |
| B | Bones
| Others |
| B | Border
| Others |
| B | Bored
| Others |
| B | Boron
| Element |
| B | Bowl
| Others |
| B | Boxer
| Others |
| B | Boys
| Others |
| B | Bozo
| Others |
| B | Bracket
| Others |
| B | Branch
| Others |
| B | Brandon
| Others |
| B | Breach
| Others |
| b | Breadth
| Others |
| B | Breakfast
| Others |
| B | Brett
| Others |
| B | Bridge
| Others |
| B | British
| Others |
| B | Britney
| Others |
| B | Brochure
| Others |
| B | Bronco
| Others |
| B | Brown
| Others |
| B | Browning
| Others |
| B | Bruce
| Others |
| B | Brussels
| Others |
| B | Bucharest
| Others |
| B | Buddy
| Others |
| B | Build
| Others |
| B | Bulk
| Others |
| B | Bull
| Others |
| B | Burglar
| Others |
| B | Burning
| Others |
| B | Burnt
| Others |
| B | Bus
| Others |
| B | Business
| Others |
| B | Buster
| Others |
| B | Butt
| Others |
| B | Buttcrack
| Others |
| B | Button
| Others |
| B | Buy
| Others |
| B | Bye
| Others |
| B | Byte
| Others |
| B | Bytes
| Others |
| B | form B (normally closed) contacts
| Others |
| B | Magnetic field
| Others |
| B | Modula-3 Base program
| Others |
| b | Molality
| Others |
| B | Susceptance
| Others |
| B | The Baddest
| Others |
| B# | Bolender Number
| Others |
| B# | Browning Number
| Others |
| B) | Smiley with sunglasses
| Others |
| B-) | Cool
| Others |
| B-) | Glasses or sunglasses
| Others |
| B-) | happy face
| Others |
| B. | Birth
| Others |
| B. | Born (date/place of birth)
| Others |
| B. | Burial (location or date)
| Others |
| b. | date/place of birth
| Others |
| B:-) | Sunglasses on head
| Others |