| Acronym | Meaning |
| MO | Macao (ISO 3166 Digram) -Medical Officer -Missouri (postal Symbol) -modus Operandi (Latin |
| FLB | Forward Logistics Base |
| UTM | Universal Transverse Mercator (geographical Co-ordinate System) |
| AL | Attolitre |
| HSC | High School Certificate (as Used In New South Wales) |
| HUD | Head-Up Display - Housing And Urban Development |
| MORP | Meteorite Observation And Recovery Project |
| UPN | United Paramount Network |
| LSO | Lesotho (ISO 3166 Trigram) |
| YN | Yottanewton |