| Acronym | Meaning |
| OR | Oriya Language (ISO 639-1 Code) |
| U?K | Initialism For Two Albanian Guerilla Movements |
| PJHQ | Permanent Joint Headquarters |
| JA | Japan (FIPS 10-4 Country Code) |
| QU | Quechua Language (ISO 639-1 Code) |
| VW | Volkswagen |
| TWP | Technical Working Paper |
| HL | Hectolitre |
| CCSK | Cyclic Code Shift Keying |
| FS | Femtosecond |