| Abbreviation | Definition |
|---|---|
| TCL/TK | Tool Command Language/Tool Kit |
| TCLP | Turbo Codes Licensing Program |
| TCM | TANF Case Manager |
| TCM | Toolkit for Conceptual Modeling |
| TCMS | Trivial Content Management System |
| TCO | Technical Computing Operations |
| TCPL | The C Programming Language |
| T-CPM | Telesens Content Partner Management |
| TCS | Tata Consultancy Service |
| TCS | TATA Consultancy Services |
| TCW | Totally Cool Walkthrough |
| TCX | Training Center XML |
| TD | Trojan Downloader |
| TDADS | Test Data Analysis and Decision System |
| TDAS | THEMIS Data Analysis Software |
| TDB | Tactical Data Base |
| TDD | Test Driven Development |
| TDES | Testable Design Expert System |
| TDF | Terascan Data Format |
| TDF | Title Definition Format |