| Acronym | Definition |
|---|
| FCO➣Fiumicino (airport code; Italy) |
| FCO➣Foreign and Commonwealth Office |
| FCO➣Francisco (name) |
| FCO➣Fractionated Coconut Oil |
| FCO➣Football Club Olympique (French: Olympic Football Club) |
| FCO➣Fièvre Catarrhale Ovine (French viral disease) |
| FCO➣Federal Coordinating Officer (senior official at a disaster) |
| FCO➣Flow Control Operator |
| FCO➣First Class Object |
| FCO➣Finis Coronat Opus (Latin: The End Crowns the Work; gaming) |
| FCO➣Fixed Capital Outlay |
| FCO➣Federal Cartel Office |
| FCO➣Fire Control Officer |
| FCO➣First Class Object (software programming) |
| FCO➣Full Corporate Offer |
| FCO➣Field Change Order |
| FCO➣Forced Convection Oven (various companies) |
| FCO➣Functional Check Out (various companies) |
| FCO➣Rome, Italy - Leonardo Da Vinci/Fiumicino (Airport Code) |
| FCO➣Final Checkout |
| FCO➣Flying Control Officer (US Navy) |
| FCO➣Flow Control Operator (DLSW) |
| FCO➣Fast Cook-Off (explosives/propellants) |
| FCO➣Film Coated Offset |
| FCO➣Fair Collections & Outsourcing (Beltsville, MD) |
| FCO➣Fire Control Operator |
| FCO➣Face-Centered Orthorhombic |
| FCO➣Fret Cargo Organisation (French cargo organization) |
| FCO➣Forms Control Officer |
| FCO➣Flag Communications Officer (US Navy) |
| FCO➣Fractional Carryover (power boilers) |
| FCO➣File Control Office |
| FCO➣Festival Chorale Oregon (Salem) |
| FCO➣Festival Chorale Oregon |
| FCO➣Fire Control Order |
| FCO➣Facility Control Office |
| FCO➣First Class Only (United States Military Academy) |
| FCO➣Firm Corporate Offer |
| FCO➣Final Change Order |
| FCO➣Floor Clean Out |
| FCO➣Federal Career Opportunities |
| FCO➣Full Circles Ottawa (Ottawa, Canada) |
| FCO➣Flat Cut Out (lettering style, sign industry) |
| FCO➣Fighter Control Operator (US DoD) |
| FCO➣Flight Communications Operator |
| FCO➣First Call Opportunity |
| FCO➣Fund Control Officer |
| FCO➣Field Claim Office (Insurance) |
| FCO➣Fire Controlman, Operation (US Navy) |
| FCO➣Fussball Club Oerlikon (Swiss soccer club) |
| FCO➣Fraction of Commercial Power Supplied by Oil |
| FCO➣Film Censor's Office (Ireland) |
| FCO➣Franco Carrier |
| FCO➣Funds Certifying Official |
| FCO➣Firing Console Operator |
| FCO➣Fussball Club Oberwinterthur (Swiss soccer club) |
| FCO➣Fire Coordination Office/Officer |
| FCO➣Federal Communications Office (Swiss PTT) |
| FCO➣Football Club de l'Odet (French football club) |
| FCO➣Falls Creek Outdoors (Kennewick, WA) |
| FCO➣Financial Compliance Officer |
| FCO➣Fotuh Construction Organization |