English abbreviations from cfr to cfso
- CFR (Crash Fire Rescue)
- CFRA (Central Florida Rocketry Association)
- CFRE (Center For Resource Economics)
- CFRP (Carbon fibre reinforced plastic)
- CFRS ((observing program), Canada-France Redshift Survey)
- CFS (Chronic Fatigue Syndrome)
- CFSA (Canadian Forces Superannuation Act)
- CFSC (Community Family Support Center)
- CFSE (Community Food System Explorer)
- CFS-HSY (Child and Family Service - Huron Service for Youth)
- CFSL (Central Florida Softball League)
- CFSM (Co-design Finite State Machine)
- CFSO (Counter-intelligence Force-protection Source Operations)