| Acronym | Meaning |
| DC | Da Capo - Italian Democrazia Cristiana - Digital Compass - Direct Current -District Of Columbia (postal Symbol) -Douglas Aircraft Company - Dublin Core - Duty Cycle |
| JSTARS | Joint Surveillance Target Attack Radar System (djay-starz) |
| ACS | Affiliated Computer Services (NYSE ACS) - American Cancer Society - American Chemical Society - Association Of Caribbean States |
| KHR | Cambodian Riel (ISO 4217 Currency Code) |
| COO | Chief Operating Officer |
| 4D | Four-dimensional (usually Three Spatial Plus One Temporal Dimension |
| BRDM | Boyevaya Razvedyvatelnaya Dosornaya Mashina (Russian ?????? ???????????????? ???????? ?????? |
| INR | Indian Rupee (ISO 4217 Currency Code) |
| XPF | CFP Franc (ISO 4217 Currency Code) |
| TEAL | Tasman Empire Airways Limited |