| Acronym | Definition |
|---|
| TCR | T-Cell Receptor |
| TCR | Teachers College Record |
| TCR | Total Coliform Rule (water quality) |
| TCR | The Colbert Report (TV show) |
| TCR | Temperature Coefficient of Resistance |
| TCR | Transceiver |
| TCR | Transcription-Coupled Repair |
| TCR | Trammell Crow Residential (Atlanta, GA) |
| TCR | Tottenham Court Road (London, UK) |
| TCR | Thyristor Controlled Reactor |
| TCR | Texas Cancer Registry |
| TCR | Tagged Cell Rate (ATM) |
| TCR | Technical Certification Requirements |
| TCR | Task Change Request |
| TCR | Target-To-Clutter Ratio |
| TCR | Time Code Reading (video editing) |
| TCR | Traffic Control Radar |
| TCR | Transfer-Cluster Restricted (ANSI) |
| TCR | Tactical Control Radar |
| TCR | Telemetry, Command & Ranging |
| TCR | Federal Transit Administration Office of Civil Rights |
| TCR | Test Capabilities Revitalization |
| TCR | Transport Connection Request |
| TCR | Telephone Conversation Record |
| TCR | Technical Change Request |
| TCR | Test Condition Requirements |
| TCR | Toronto Chinese Radio (Toronto, Canada) |
| TCR | Trihedral Corner Reflector |
| TCR | Traffic Collision Report |
| TCR | Technical Cost Review |
| TCR | Team Celtic Racing |
| TCR | Two-Color Refractometer |
| TCR | Transmit Confirmation Report (fax machine) |
| TCR | Transit Conduct and Safety Regulations (Canada) |
| TCR | Tenant Cost Recovery |
| TCR | Trailer Control Record |
| TCR | Technical Compliance Record |
| TCR | Traffic Channel Recovery |
| TCR | Transmission Current Range |
| TCR | Training Conference Review |
| TCR | Transportation Corps Release |
| TCR | Trickle Charge Resistor |
| TCR | Thermal Control Receiver |
| TCR | Time Critical Report |
| TCR | Tomahawk Computer Room |
| TCR | Temperature Control Recirculator |
| TCR | Total Conforming Rate |
| TCR | Truncated Cascade Recombination (solid state physics) |
| TCR | Tape Reconciliation of Checks |