| Acronym | Meaning |
| ISLN | International Standard Lawyer Number |
| MX | Mail Exchange -Mexico (FIPS 10-4 Country Code; ISO 3166 Digram) -Missile EXperimental |
| FIB | Fucking Illinois Bastard (Wisconsin Slang |
| RF | Rutherfordium |
| SEDRIS | Synthetic Environment Data Representation And Interchange Specification |
| MOTA | Member Of The Orthodontic Technicians Association |
| MPA | Maritime Patrol Aircraft - Master Of Public Administration |
| MNMF | Multi-National Maritime Force |
| LAT | Latin Language (ISO 639-2 Code) |
| HMCS | Her Majesty's Canadian Ship Or Her Majesty's Courts Service |