| Acronym | Meaning |
| AKA | Akan Languages (ISO 639-2 Code) |
| LCM | Least/Lowest Common Multiple |
| A/S | Anti-submarine |
| POR | Portuguese Language (ISO 639-2 Code) |
| SACEUR | Supreme Allied Commander EURope |
| CTIS | Central Tire-Inflation System |
| APHA | American Public Health Association |
| CEO | Chief Executive Officer |
| ITER | International Thermonuclear Experimental Reactor |
| BYS | Byelorussian Soviet Socialist Republic (ISO 3166 Trigram; Obsolete Since 1992) |