| TCB | Tacho Cable 
| Others |
| TCB | Tag Control Block
| Others |
| TCB | Take Care of Breakfast
| Others |
| TCB | Take Care of Business
| Others |
| TCB | Taken Captive to Babylon
| Others |
| TCB | Takin' Care of Business (country song)
| Others |
| TCB | Taking Care of Buses
| Others |
| TCB | Taking Care of Business
| Others |
| TCB | Tal Cardiopulmonary Bypass
| Others |
| TCB | Task Context Buffer
| Others |
| TCB | Task Control Block
| Others |
| TCB | Task Control Board
| Others |
| TCB | Taxicab Board
| Others |
| TCB | TCP (Transmission Control Protocol) Control Block
| Others |
| TCB | Team Connecticut Baseball
| Others |
| TCB | Tech Career Booster
| Others |
| TCB | Technical Cooperation Bureau
| Others |
| TCB | Technical Disclosure Bulletin
| Others |
| TCB | Technology Classroom Building
| Others |
| TCB | Telecommunication Certification Body
| Others |
| TCB | Telecommunications Certification Bodies
| Others |
| TCB | Telecommunications Certification Body
| Others |
| TCB | Telematic Communication Box
| Others |
| TCB | Telescoping Ceiling Bracket
| Others |
| TCB | Temporal Coherence Boundary
| Others |
| TCB | Temporary Concrete Barrier
| Others |
| TCB | Tension Continuity Bias
| Others |
| TCB | Tension Control Bolts
| Others |
| TCB | Tension, Continuity, and Bias
| Others |
| TCB | Tensioned Corrugated Beam
| Others |
| TCB | Terminal de Contenedores de Barcelona
| Others |
| TCB | Terry College of Business at the University of Georgia
| Others |
| TCB | Tesla Club Belgium
| Others |
| TCB | Test Control Board
| Others |
| TCB | Texas Capital Bank
| Others |
| TCB | Texas Central Business
| Others |
| TCB | Texas Central Business Lines Corporation
| Others |
| TCB | Texas Coalition of Buses
| Others |
| TCB | Thai Championship Boxing
| Others |
| TCB | The Car Buyer
| Others |
| TCB | The Code Book
| Others |
| TCB | The Coffee Bar
| Others |
| TCB | The Community Builders
| Others |
| TCB | The Conference Board
| Others |
| TCB | The Conveyor Belt
| Others |
| TCB | The Corner Biergartens
| Others |
| TCB | The Crafty B*tch
| Others |
| TCB | Thermal Circuit Breaker
| Others |
| TCB | Thermal Conductive Bonding
| Others |
| TCB | Thermo Compression Bonding
| Others |
| TCB | Thoma Cressey Bravo
| Others |
| TCB | Threat Code Bus
| Others |
| TCB | Tight Corner Brake
| Others |
| TCB | Timing Control Block
| Others |
| TCB | To Come Back
| Others |
| TCB | Tools Control Board
| Others |
| TCB | Topolino Car Belgium
| Others |
| TCB | Toronado Custom Brougham
| Others |
| TCB | Torque Control Blocker
| Others |
| TCB | Touring Car B
| Others |
| TCB | Tourism Council of Bhutan
| Others |
| TCB | Toyota Club Benelux
| Others |
| TCB | Traction Control Braking
| Others |
| TCB | Trade Capacity Building
| Others |
| TCB | Trading Corporation of Bangladesh
| Others |
| TCB | Traffic Control Barrier
| Others |
| TCB | Training Certification Bureau
| Others |
| TCB | Transaction Control Block
| Others |
| TCB | Transmission Control Block
| Others |
| TCB | Transportes Colectivos do Barreiro
| Others |
| TCB | Treasure Cay, Bahamas
| Others |
| TCB | Tree ComBine
| Others |
| TCB | Tri-Cities Boys
| Others |
| TCB | Trouble Came Back
| Others |
| TCB | Trusted Computed Base
| Others |
| TCB | Trusted Computing Base
| Others |
| TCB | Trustred Computing Base
| Others |
| TCB | Tumor Cell Biology
| Others |
| TCB | Tuning Chip Box
| Others |
| TCB | Turkish Cricket Board
| Cricket |
| TCB | Twin Cities Brightest
| Others |
| TCB | Twin Cities Business
| Others |
| TCB | Twin City Bank-North Little Rock Arkansas
| Others |