| Acronym | Meaning |
| HFAC | Human Factors (aytchfak) |
| IJWP | Interim Joint Warfare Publication |
| FM | Federal Magistrate (Australian Post-nominal) -Federated States Of Micronesia (postal Symbol; ISO 3166 Digram; FIPS 10-4 Territory Code) -Field Manual - Flight Manager - Frequency Modulation (electronics) |
| XPT | Platinum Troy Ounce (ISO 4217 Currency Code) |
| RBCI | Radio Based Combat Identification |
| WFD | Weaponof Focused Destruction |
| CR | Cree Language (ISO 639-1 Code) |
| INR | Indian Rupee (ISO 4217 Currency Code) |
| ELL | Greek Language (ISO 639-2 Code) |
| OPSI | Overwhelming Post Splenectomy Infection - UK Office Of Public Sector Information |