| C.S.B. | Christian Science Board 
| Others |
| CSB | California School for the Blind
| Others |
| CSB | Cambridge Savings Bank
| Others |
| CSB | Cameron School of Business
| Others |
| CSB | Canada Savings Bonds
| Others |
| CSB | Car Safety Seat Belt
| Others |
| CSB | Career Status
| Others |
| CSB | Career Status Bonus
| Others |
| CSB | Carrots So Beautiful
| Others |
| CSB | Castrol Syntec Blend
| Others |
| CSB | Catholic Syrian Bank
| Others |
| CSB | Cellular and Structural Biology
| Others |
| CSB | Center for Structural Biology
| Others |
| CSB | Center for Sustainable Business
| Others |
| CSB | Center for Systems Biology
| Others |
| CSB | Central Savings Bank
| Others |
| CSB | Central Silk Board
| Others |
| CSB | Centro Stile Bertone
| Others |
| CSB | CET (Center for Ecological Technology) Show Barn
| Others |
| CSB | Champion South Bridge
| Others |
| CSB | Chelsea State Bank
| Others |
| CSB | Chemical Safety and Hazard Investigation Board
| Others |
| CSB | Chemical Safety Board
| Others |
| CSB | Chemical Stimulation of the Brain
| Others |
| CSB | Chevy Small Block
| Others |
| CSB | Chicago Staff Band
| Others |
| CSB | Child Seat Baby
| Others |
| CSB | Children's Services Board
| Others |
| CSB | Chip Select Bar
| Others |
| CSB | CHirurgiae Baccalaureus (Bachelor of Christian Science)
| Others |
| CSB | Chittenden South Burlington
| Others |
| CSB | Christian Science Bachelor
| Others |
| CSB | Christian Service Brigade
| Others |
| CSB | Christian Standard Bible
| Others |
| CSB | Chunk Storage Buffer
| Others |
| CSB | Cinematic Studio Brass
| Others |
| CSB | Circuited Seat Belt
| Others |
| CSB | Clinton Savings Bank
| Others |
| CSB | Club Simca Bertone
| Others |
| CSB | Clube Slot de Braga
| Others |
| CSB | Clutch Steering Brake
| Others |
| CSB | Coffee, Sex, and Biscuits
| Others |
| CSB | Collaboration Session Beligian
| Others |
| CSB | Collection Service Bureau
| Others |
| CSB | College of Saint Benedict
| Others |
| CSB | Com Stl Bridge
| Others |
| CSB | Commercial Savings Bank
| Others |
| CSB | Communication Skills for Business
| Others |
| CSB | Communists Sell Babies
| Others |
| CSB | Community Savings Bank
| Others |
| CSB | Community Services Board
| Others |
| CSB | Community Services Boards
| Others |
| CSB | Community Shelter Board
| Others |
| CSB | Community State Bank
| Others |
| CSB | Community Supported Baking
| Others |
| CSB | Community Supported Biocycling
| Others |
| CSB | Community Supported Brewery
| Others |
| CSB | Community Supported Brewing
| Others |
| CSB | Compulsive Sexual Behavior
| Others |
| CSB | Computational Systems Bioinformatics
| Others |
| CSB | Computer Society of Bermuda
| Others |
| CSB | Concrete Step Barrier
| Others |
| CSB | Configuration Steering Board
| Others |
| CSB | Congregatio Sancti Basilii
| Others |
| CSB | Congregation of St. Basil (Bernardine Sisters)
| Others |
| CSB | Connecticut School of Broadcasting
| Others |
| CSB | Connection Specification Block
| Others |
| CSB | Connection Status Block
| Others |
| CSB | Conserved Sequence Block
| Others |
| CSB | Consolidated School of Business
| Others |
| CSB | Contracting Support Brigade
| Others |
| CSB | Control Server Blade
| Others |
| CSB | Cool Story Bro
| Others |
| CSB | Corel Script Binary
| Others |
| CSB | Corel Service Bureau
| Others |
| CSB | Corn Soya Blend
| Others |
| CSB | Corps Support Battalion
| Others |
| CSB | Corrects System Backup
| Others |
| CSB | Cost of Security Breach
| Others |
| CSB | Count Sub-Block
| Others |
| CSB | County of San Bernardino
| Others |
| CSB | Craig Stein Beverage
| Others |
| CSB | Credit Score Broker
| Others |
| CSB | Cross Serrated Band
| Others |
| CSB | CUSIP Service Bureau
| Others |
| CSB | Customer Service Branch
| Others |
| CSB | Customer Support Bulletin
| Others |
| CSB | Cut Set Bound
| Others |
| CSB | Cutlass Supreme Brougham
| Others |
| CSB | Cutting Stripping and Blanking
| Others |
| CSB | Cutting, Stripping, and Blanking
| Others |
| CSB | Cyber Security Base
| Others |
| CSB | Cyber Security Board
| Others |
| CSB | Study Bible
| Others |