| Acronym | Meaning |
| IBS | Irritable Bowel Syndrome |
| GN | Giganewton - Guinea (ISO 3166 Digram) |
| AR | Arabic Language (ISO 639-1 Code) |
| AVIM | Aviation Intermediate Maintenance |
| SO | Shared Object (Unix) - Sheriff's Office - Significant Other -Somalia (ISO 3166 And FIPS 10-4 Country Code Digram) |
| KAS | Kashmiri Language (ISO 639-2 Code) |
| CIBC | Canadian Imperial Bank Of Commerce (obsolete) |
| ADAGE | Air Defense Air To Ground Engagement (simulation) |
| TSEC | Transmission Security Encryption Code |
| YOR | Yoruba Language (ISO 639-2 Code) |