| Acronym | Meaning |
| GFY | Good For You Or Go Fuck Yourself |
| FRAGO | Fragmentary Order (military) |
| HHD | Humanitatum Doctor (Latin |
| NRC | National Research Council (U.S.) - Nuclear Regulatory Commission (U.S.) |
| CPG | Clinical Practice Guideline |
| LX | Luxembourg (amateur Radio ITU Prefix) - Swiss International Airlines (IATA Code) |
| TP | East Timor (ISO 3166 Digram; Obsolete 2002) - S?o Tom? And PrĀncipe (FIPS 10-4 Country Code) -Training Practice |
| ESM | Electronic Warfare Support Measures |
| WPB | War Production Board During World War II |
| BIAP | Baghdad International Airport -Biafran Pound |