| Acronym | Definition |
|---|
| RCO➣Regional Contracting Office (US Marines) |
| RCO➣Ratio of Correct Object |
| RCO➣Remote Control |
| RCO➣Registration Confirmation |
| RCO➣Remote Communications Outlet |
| RCO➣Royal Concertgebouw Orchestra |
| RCO➣Rifle Combat Optic (US DoD Marine Corps) |
| RCO➣Responsible Corporate Officer (criminal law doctrine) |
| RCO➣Recycling Council of Ontario (Canada) |
| RCO➣Royal College of Organists (UK) |
| RCO➣Retraite Complémentaire Obligatoire (French: Additional Mandatory Retirement) |
| RCO➣Risk Control Option |
| RCO➣Rifle Company |
| RCO➣Regenerative Catalytic Oxidizer |
| RCO➣Regulatory Compliance Officer (various organizations) |
| RCO➣Reverse Chronological Order |
| RCO➣Readiness Control Officer (US Navy) |
| RCO➣Relative Contact Order (biology) |
| RCO➣Remote Control Office (US Navy) |
| RCO➣Rear Commodore |
| RCO➣Range Conducting Officer |
| RCO➣Research Compliance Officer (US VA) |
| RCO➣Resident Coordinator's Office |
| RCO➣Range Control Officer |
| RCO➣Residential Communities Office (US Army) |
| RCO➣Radio Communications Operator (various organizations) |
| RCO➣Red de Carreteras de Occidente |
| RCO➣Regional Compliance Officer |
| RCO➣Rickettsia Conorii |
| RCO➣District Rear Commodore |
| RCO➣Revenue Cycle Outsourcing |
| RCO➣Remote Control Option |
| RCO➣Red Cod |
| RCO➣Real Combat Online (martial arts) |
| RCO➣Reseller Channel Organization |
| RCO➣Rugby Club Orléans (French rugby club) |
| RCO➣Reusable Content Object |
| RCO➣Remote Computing Option |
| RCO➣Radiation Control Office |
| RCO➣Radar Control Operator |
| RCO➣River Cow Orchestra (Kansas City, MO) |
| RCO➣Racing Cars Organisation (Belgium) |
| RCO➣Radar Control Officer |
| RCO➣Rail Change Out (railway repair crew) |
| RCO➣Regimental Commanding Officer |
| RCO➣Rate Commitment Option (lending) |
| RCO➣Relative Capacity Occupation |
| RCO➣Rencontres de Chimie Organique (French: Organic Chemistry Meeting) |
| RCO➣Requisition Control Office |
| RCO➣Radio Communication Outlet |
| RCO➣Reconfiguration Change Order |
| RCO➣Regional Co-ordination Office |
| RCO➣Risk & Control Officer (various companies) |
| RCO➣Reading Comedy Outlet (Wyomissing, PA) |
| RCO➣Request for Commercial Offering |
| RCO➣Reactive Carbonyl Compound |
| RCO➣Ravenna Community Orchestras (Ravenna, OH) |
| RCO➣Retaliation Control Officer (Director of Human Resources) |
| RCO➣Rockford Community Orchestra (Rockford, MI) |
| RCO➣Residual Crude Oil |
| RCO➣Random Chance Occurrence (statistical deviations) |
| RCO➣Regional Control Office |
| RCO➣Reports Control Officer |
| RCO➣Risks, Challenges and Opportunities |