| Abbreviation | Definition |
|---|---|
| TAU | Thousand Astronomical Units |
| TB | TeraByte |
| TB/S | Terabyte Per Second |
| TB/S | Terbit Per Second |
| TBIT | Terabit |
| TbPS | Terabits Per Second |
| TBPS | TeraBytes Per Second |
| TBQ | Tera- Becquerels |
| TBS | Table Spoon |
| TBYTE | Terabyte |
| TCF | Trillion Cubic Feet |
| TCS | Ton of Crude Steel |
| TCW | Total Carat Weight |
| TDW | Total Diamond Weight |
| TEDE | Total Effective Dose Equivalent |
| TEP | Tonnellate Equivalenti di Petrolio |
| TEU | Twenty Foot Equivalent Unit |
| TEU | Twenty-Foot Container Equivalent Unit |
| TEU | Twenty-Foot Equivalent Unit |
| TEV | TeraElectron Volts |