| Acronym | Meaning |
| CF | Canadian Fighter |
| CF | Canadian Forces |
| CF | Career Field |
| CF | Causal Factor |
| CF | Causeway Ferry (US DoD) |
| CF | Cease-Fire |
| CF | Center Fire (Ammunition) |
| CF | Center Funded |
| CF | Central Files |
| CF | Chaplain to the Forces |
| CF | Charlie-Foxtrot (slang for Cluster Flock; polite form) |
| CF | Cienfuegos (postcode, Cuba) |
| CF | Clearance Facility |
| CF | Cluster Foulup (polite form; military slang) |
| CF | Coalition Force |
| CF | Codice Fiscale (Italian: fiscal code) |
| CF | Common Formats (United States Patient Safety and Quality Improvement Act of 2005) |
| CF | Common Functions |
| CF | Commonwealth Funding |
| CF | Communications Flight |
| CF | Compact Flash |
| CF | Compartmented Facility |
| CF | Constituição Federal (Brazil; Federal Constitution) |
| CF | Constructed Fare (airlines) |
| CF | Construction Flagman (NYC Transit Authority) |
| CF | Contractor-Furnished |
| CF | Copy(ies) Furnished |
| CF | Counterfire |
| CF | Countermeasure Factor |
| CF | Court Filing |
| CF | Covering Force |
| CF | Critically Factor |
| CF | Customer Furnished |
| CF | Drift Error Confidence Factor (US DoD) |
| CF | Flying Deck Cruiser (US Navy) |
| Cf | Frictional Resistance Coefficient |
| CF | Imagery and Geospatial Community Management Office (NIMA) |