| Acronym | Meaning |
| MRTFB | U.S. Major Range And Test Facility Base |
| MBCS | Multi-Byte Character Set |
| DODD | U.S. Department Of Defense Directive |
| FFA | Forum Fisheries Agency -Free-Fire Area - Fusiform Face Area - Football Federation Australia - Future Farmers Of America (today The National FFA Organization) |
| PPLI | Precise Participant Location & Identification |
| SP | Special - Spring Tide (nautical Charts) |
| BOC | British Orthodontic Society - British Oxygen Company |
| WWE | World Wrestling Entertainment |
| PVR | Personal Video Recorder |
| ACCAC | Awdurdod Cymwysterau |