| Acronym | Meaning |
| IDN | Indonesia (ISO 3166 Trigram) |
| HEP | High-Explosive Plastic (ammunition) |
| OASIS | Ontario Association Of Sewage Industry Services |
| SARP | Search And Rescue Processor |
| OSDL | Open Source Development Labs |
| YIPPIE | Youth International Party + Suffix |
| CIV | C?te D'Ivoire (ISO 3166 Trigram) |
| KR | Kanuri Language (ISO 639-1 Code) |
| IK | Inupiaq Language (ISO 639-1 Code) |
| OJ | Orange Juice - O.J. Simpson |