| Acronym | Meaning |
| IY | Iraqi-Saudi Neutral Zone (FIPS 10-4 Territory Code; Obsolete 1993) |
| URY | Uruguay (ISO 3166 Trigram) |
| HAU | Hausa Language (ISO 639-2 Code) |
| BRDM | Boyevaya Razvedyvatelnaya Dosornaya Mashina (Russian ?????? ???????????????? ???????? ?????? |
| KL | Kilolitre |
| DTSA | (U.S.) Defense Technology Security Administration |
| CSICOP | Committee For The Scientific Investigation Of Claims Of The Paranormal (became The Committee For Skeptical Inquiry In 2006) |
| FCA | Fraction Of Combat Active Forces |
| CLOS | Common Lisp Object System |
| MMI | Man-Machine Interface |