| Acronym | Meaning |
| UFO | Unidentified Flying Object - United Farmers Of Ontario |
| JTIDS | Joint Tactical Information Distribution System (djay-tidz) |
| IKU | Inuktitut Language (ISO 639-2 Code) |
| HF | Hafnium |
| PDU | Police Dog Unit - Power Distribution Unit - Protocol Data Unit |
| ILS | Israeli Shekel (ISO 4217 Currency Code) |
| CF | Californium |
| MLT | Maltese Language (ISO 639-2 Code) |
| NASCAR | National Association For Stock Car Auto Racing |
| A2C2 OR A?C? | Army Airspace Command And Control |