| Acronym | Meaning |
| WOL | Wolof Language (ISO 639-2 Code) |
| CHV | Chuvash Language (ISO 639-2 Code) |
| SNAP | SuperNova Acceleration Probe |
| DPPDB | Digital Point Positioning Database |
| OTI | Office Of Transition Initiatives (United States Agency For International Development) |
| DA | Danish Language (ISO 639-1 Code) - Deca |
| EN | Corps Of Engineers -Estonia (FIPS 10-4 Country Code) - Exanewton |
| PCZ | Panama Canal Zone (ISO 3166 Trigram; Obsolete 1980) |
| ATCCIS | Army Tactical Command And Control Information System |
| NAFO | Northwest Atlantic Fisheries Organization |