| Acronym | Meaning |
| IVL | Inter-Visibility Line |
| PHP | Philippine Peso (ISO 4217 Currency Code) -PHP: Hypertext Preprocessor (originally Personal Home Page (Tools)) |
| PVP | Player Versus Player |
| ADDNS | Advanced Deployable Day/Night Simulation |
| USAADAC | U.S. Army Air Defense Artillery Center |
| CY | Welsh Language (ISO 639-1 Code) |
| JLA | Justice League Of America |
| JD | Jack Daniels (whiskey) - Julian Day - Juris Doctor (Latin |
| BST | Binary Search Tree - Blended Sales Tax -Bovine Somatotropin -British Summer Time |
| CAW | Canadian Auto Workers Trade Union |