| TCL | T-cell-leukemia-lymphoma 
| Others |
| TCL | Tae Command Language
| Others |
| TCL | Tamboli Castings Limited
| Others |
| TCL | Target Capabilities List
| Others |
| TCL | Tata Communications Limited
| Others |
| TCL | Tata Communications Ltd
| Others |
| TCL | Taylor Cullity Lethlean
| Others |
| TCL | Technical College of the Lowcountry
| Others |
| TCL | Technical Command Lingo
| Others |
| TCL | Technical Control Language
| Others |
| TCL | Telephone Communication Limited
| Others |
| TCL | Terminal Coupling Loss
| Others |
| TCL | Test Centre Lelystad
| Others |
| TCL | Texas Collegiate League
| Others |
| TCL | Textbook Citation List
| Others |
| TCL | Texture, Clipping, and Lighting
| Others |
| TCL | Thai Caprolactam Public Company, Limited
| Others |
| TCL | Thailand Cricket League
| Cricket |
| TCL | The Cookie Laboratory
| Others |
| TCL | The Corporate Library
| Others |
| TCL | The Creative Life
| Others |
| TCL | The Cultural Landscape
| Others |
| TCL | Think Class Library
| Others |
| TCL | Thrust Control Lever
| Others |
| TCL | Time Cas Latency
| Others |
| TCL | Tiny Core Linux
| Others |
| TcL | Tool Command Language
| Others |
| TCL | Tool Command Language script source code
| Others |
| TCL | Tool Control Language
| Others |
| TCL | Total Cost of Loss
| Others |
| TCL | Town and Country Limited
| Others |
| TCL | Toyota Center Ljubljana
| Others |
| TCL | Toyota Corolla Levin
| Others |
| TCL | Track Center Line
| Others |
| TCL | Training Christian Leaders
| Others |
| TCL | Training for Camp Leader
| Others |
| TCL | Transaction Control Language
| Others |
| TCL | Transaction control languages
| Others |
| TCL | Transform Clipping and Lightning
| Others |
| TCL | Transform, Clipping and Lighting
| Others |
| TCL | Transformation, Clipping, and Lighting
| Others |
| TCL | Transmission Control Layer
| Others |
| TCL | Transports en Commun Lyonnais
| Others |
| TCL | Transurban Group
| Others |
| TCL | Transverse Conversion Loss
| Others |
| TCL | Tri County League
| Others |
| TCL | Trinity College London
| Others |
| TCL | Trolleybus Club Lyonnais
| Others |
| TCL | Tung Chung Line
| Others |
| TCL | Turkish Champions League
| Others |
| TCL | Turkish Championship League
| Others |
| TCL | Tuscaloosa Regional Airport
| Others |
| TCL | Tuscaloosa, Alabama USA
| Others |
| TCL | Twin Cities Live
| Others |