| Abbreviation | Definition |
|---|---|
| TLQ | Transient Living Quarters |
| TLR | Top Level Requirement |
| TLR | Trailer |
| TLS | Top Level Specification |
| TLSP | Transport Layer Security Protocol |
| TLT | Test Loop Translator |
| TLU | Transitional Lodging Unit |
| TLV | Total Lethal Value |
| TLW | The Latest Word |
| TLX | Teletype |
| TM | Tactical Missile |
| TM | Target Materials |
| TM | Task Message |
| TM | Team |
| TM | Team Member |
| TM | Technical Manual |
| TM | Technical Memos |
| TM | Theater Missile |
| TM | TROPO Modem |
| TM3 | Trade-off Mobilization Macro Model |