| Acronym | Meaning |
| UCS | Union Of Concerned Scientists |
| YM | Yottametre |
| GP | General Practitioner - General Purpose - Grand Prix -Guadeloupe (ISO 3166 Digram; FIPS 10-4 Territory Code) |
| RTF | Rich Text Format |
| LGM | Little Green Men |
| MILF | Moro Islamic Liberation Front -Mother I'd Like To Fuck |
| IMPT | Institute Of Maxillofacial Prosthetists And Technologists |
| WAAC | Women's Army Auxiliary Corps (WWII UK) |
| USAAVNC | U.S. Army AViatioN Center |
| MLW | Mean Low Water (nautical Charts) |