| Acronym | Meaning |
| FIPS | Federal Information Processing Standard |
| CC | Many |
| USN | United States Navy |
| CS | Combat Support - Computer Scientist -Costa Rica (FIPS 10-4 Country Code) - Serbia And Montenegro (ISO 3166 Digram) |
| FSO | Fire Support Officer - Flotilla Staff Officer - Foreign Service Officer |
| MORS | Military Operations Research Society |
| CSPI | Center For Science In The Public Interest |
| LJ | La Jolla - Larry Johnson - LaserJet - Library Journal - Linux Journal - LiveJournal - Ljubljana - Lord Justice Of Appeal -Sierra National Airlines (IATA Code) |
| EOG | ElectroOculoGraphy |
| BSF | British Standard Fine (screw Thread) |