| Acronym | Meaning |
| DILLIGAF | Do I Look Like I Give A Fuck? (Internet Shorthand) |
| IPT | Integrated Product/Project Team |
| CONOPS | Concept Of Operations (military) |
| UNTAET | United Nations Transitional Administration In East Timor |
| II | Sichuan Yi Language (ISO 639-1 Code) |
| ROC | Receiver Operating Characteristic (statistics) - Regional Operations Centre - Republic Of China - Roc-A-Fella Records |
| HSC | High School Certificate (as Used In New South Wales) |
| GJD | Geocentric Julian Day |
| DGPS | Differential GPS |
| NAVMACS | Naval Modular Automatic Communication Subsystem |