| Acronym | Meaning |
| TLC | Tender Loving Care - The Learning Channel - Thin LayerChromatography-T-Boz Lefteye Chilli |
| DTL | Diode-Transistor Logic (electronics) |
| EMCON | (Electromagnetic) Emissions Control |
| IND | Indonesian Language (ISO 639-2 Code) |
| FAAD | Forward Area Air Defence |
| CFC | ChloroFluoroCarbon |
| FSSP | Families Of Structurally Similar Proteins |
| RDECOM | (U.S.) Research |
| CSA | Canadian Space Agency - Canadian Standards Association - Child Support Agency - Command Staff Advisor - Community-supported Agriculture - Confederate States Of America - Corps Storage Area -Czech Airlines |
| TY | Tahitian Language (ISO 639-1 Code) |