C/O

stands for Command

CO stands for Cabinet Office

CO stands for Colorado (US postal abbreviation)

CO stands for Como (Lombardia, Italy)

C/O stands for Care of

CO stands for Colton (blood group)

C/O stands for Class Of

CO stands for Certificate of Origin

CO stands for Controlling

CO stands for Community Organizer (Philippines)

CO stands for Compliance

CO stands for Chill Out

CO stands for Connection Oriented

CO stands for Combat (game, Natural Selection)

CO stands for Community Outreach

CO stands for Cellular One

CO stands for Complain Of

CO stands for crude oil

CO stands for Charlotte Observer (newspaper)

CO stands for Compliance Officer

CO stands for Cardiac Output

CO stands for Cobalt

CO stands for Colchester (postcode, United Kingdom)

C/O stands for Checkout

CO stands for Commanding Officer

CO stands for Certificate of Occupancy

CO stands for Conan O’Brien

CO stands for Carbon Monoxide

CO stands for Correctional Officer

CO stands for Communications Officer

CO stands for Castor Oil

CO stands for Colonial Office (UK)

CO stands for Cargo Operations

CO stands for Commissioned Officer

CO stands for Compliance Order

CO stands for Captain Obvious

CO stands for Cutoff

CO stands for Chinese Orchestra

CO stands for Compañía (Spanish)

CO stands for Cornish (linguistics)

CO stands for Continental Airlines (airline code)

CO stands for Correction Officer

C/O stands for Consist Of

CO stands for Clinical Operations

CO stands for Covert Operations (gaming)

CO stands for Clean Out (sewers/drains)

CO stands for Combinatorial Optimization (workshop)

CO stands for Contracting Officer

CO stands for Cash Order

CO stands for Consent Order

CO stands for Conscientious Objector

CO stands for Corporación (Spanish)