| Acronym | Definition |
|---|
| CFSO➣Counterintelligence Force Protection Source Operations |
| CFSO➣Certified Facility Safety Officer |
| CFSO➣Central Florida Symphony Orchestra |
| CFSO➣Concerned Foreign Service Officers (US State Department) |
| CFSO➣Computers for Schools Ontario (Canada) |
| CFSO➣Canadian Financial Services Ombudsman |
| CFSO➣Computer Facility Security Officer |
| CFSO➣CONUS Force Protection Source Operations |