| Acronym | Meaning |
| OTI | Office Of Transition Initiatives (United States Agency For International Development) |
| FIA | F?d?ration Internationale De L'automobile (French International Automobile Federation) |
| ORISE | Oak Ridge Institute For Science And Education |
| ORSA | Oxacillin-resistant Staphylococcus Aureus - Operations Research Society Of America |
| YW | Yoctowatt |
| ICP | Inductively Coupled Plasma - Insane Clown Posse |
| SBCS | Single-Byte Character Set |
| RUN | Kirundi Language (ISO 639-2 Code) |
| COMMZ | Communications Zone (military) |
| WV | West Virginia (postal Symbol) |