| Acronym | Meaning |
| HMCS | Her Majesty's Canadian Ship Or Her Majesty's Courts Service |
| MADD | Mothers Against Drunk Driving - MyoAdenylate Deaminase Deficiency -Multiply-Add |
| UM | U.S. Minor Outlying Islands (postal Symbol; ISO 3166 Digram) |
| CE | Many |
| SWOT | Strengths |
| HOV | High Occupancy Vehicle |
| LIGO | Laser Interferometer Gravitational Wave Observatory |
| DNDO | U.S. Domestic Nuclear Detection Office |
| COA | Concept Of Analysis - Course Of Action (military) |
| DBDO | Desert BDO |