| Acronym | Meaning |
| TLM | Traditional Latin Mass Or Tridentine Latin Mass |
| IBDS | Integrated Biological Detection System - International Business Development Specialist |
| HCI | Human-Computer Interaction/Interface |
| SMA | Scan Mirror Assembly |
| IREA | Intermountain Rural Electric Association |
| TWD | Taiwan Dollar (ISO 4217 Currency Code) |
| DBR | De Bellis Renationis (miniature Wargaming Rules) |
| ROTC | Reserve Officer Training Corps (Rawt-Cee) |
| SARS | Severe Acute Respiratory Syndrome |
| MYS | Malaysia (ISO 3166 Trigram) |