| Acronym | Definition |
|---|
| TLCS➣Total Life Cycle Support (various organizations) |
| TLCS➣Total Level Control System (camera feature) |
| TLCS➣Teaching, Leadership and Curriculum Studies (college program) |
| TLCS➣Television Licensable Content Service |
| TLCS➣Twin Lakes Christian School (Aptos, CA) |
| TLCS➣Torpedo Launch Canister System |
| TLCS➣Two-Loop Closing System (parachute) |