| Acronym | Definition |
|---|
| BCO | Banco |
| BCO | Boston Classical Orchestra (Boston, MA) |
| BCO | Booking Centre Online (Spain) |
| BCO | Bargain Catalog Outlet |
| BCO | British Council for Offices (UK) |
| BCO | BMC Capacity Optimization (software) |
| BCO | Building Code Official (various locations) |
| BCO | Boulder, Colorado |
| BCO | Battalion Commanding Officer (US Navy) |
| BCO | Bureau of Charitable Organizations (Pennsylvania) |
| BCO | Biodiversity Convention Office (Canada) |
| BCO | Beneficial Cargo Owner (importer of record who takes possession of cargo at destination) |
| BCO | Building Control Officer (UK) |
| BCO | Building Communication Opportunities (development alliance) |
| BCO | Baker College Online (Michigan) |
| BCO | Basic Center Operations |
| BCO | Bonded Concrete Overlay |
| BCO | Ballast Control Operator (offshore drilling) |
| BCO | Binary Coded Octal |
| BCO | Block Coincidence (robotics) |
| BCO | Business Capacity Owner |
| BCO | Battery Control Officer |
| BCO | Base Central Office |
| BCO | Belmont Community Organization |
| BCO | Bristol Concert Orchestra (Bristol, UK) |
| BCO | Battery Cut-Off |
| BCO | Base Communications Officer |
| BCO | Base Contracting Office |
| BCO | Bird Carvers Online |
| BCO | Basket Club d'Orchies (French basketball club) |
| BCO | Branch Compliance Officer |
| BCO | Bridge Cutoff |
| BCO | Business Conduct Office |
| BCO | Boa Constrictor Occidentalis (herpetoculture) |
| BCO | Bright Class O (insulation) |
| BCO | Bidability/Constructability/Operability |
| BCO | Broomfield Civic Orchestra (Broomfield, CO) |
| BCO | Broad Concept of Operations |
| BCO | Bombardment Control Officer |
| BCO | Balcones Community Orchestra (Austin, TX) |
| BCO | Bounded Crystal Orbital |
| BCO | Badminton Club Orangeois (French badminton club) |
| BCO | Barrack Control Officer |
| BCO | Basket Club Octeville (French basketball club) |
| BCO | Bye Control Officer |
| BCO | Basket Club Ostwald (French basketball club) |