| TCID | Tank Car Integrated Database
| Others |
| TCID | Teacher Candidate Interview Day
| Others |
| TCID | Technical Communication and Information Design
| Others |
| TCID | Test Configuration Identifier Document
| Others |
| TCID | Test Control Identifier
| Others |
| TCID | Texas Center for Infectious Disease
| Others |
| TCID | Tissue culture Infective Dose
| Others |
| TCID | Tissue-Culture Infectious Dose
| Others |
| TCID | Town Center Improvement District
| Others |
| TCID | Traffic Class Identifier
| Others |
| TCID | Truckee Carson Irrigation District
| Others |
| TCID | Turbo Charged Intercooler Diesel
| Others |