CFX
| Acronym | Definition |
|---|---|
| CFX | Colfax (Amtrak station code; Colfax, WA) |
| CFX | Chargers Football Xtra (football website) |
| CFX | Compact Form Factor |
| CFX | Command Field Exercise |
| CFX | Combined Field Exercise |
| CFX | Computer Forensic Examiner (professional certification) |
| CFX | Congregationum Fratrorum Xaverianorum (Latin: Congregation of Xaverian Brothers (Roman Catholic religious order) |
| CFX | China France Express |