| Acronym | Meaning |
| YJ | Yoctojoule |
| IBA | Important Bird Area |
| HPT | High[er] Payoff Target |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Russian Committee For State Security) (1954-1991) |
| DSPM | D.s.p. Malus (Latin |
| NAVNET | Navy Network |
| VE | Venezuela (FIPS 10-4 Country Code; ISO 3166 Digram) |
| RFL | Restrictive Fire Line (military) |
| DFAD | Digital Feature Analysis Data (dee-fad) |
| HCI | Human-Computer Interaction/Interface |