| CDO | Canyon del Oro 
| Others |
| CDO | Career Development Office
| Others |
| CDO | Carl Dorsey Original
| Others |
| CDO | Carl Dorsey Originals
| Others |
| CDO | Central Dense Overcast
| Others |
| CDO | Ceramic Discharge Outdoor
| Others |
| CDO | Chenango Delaware Otsego
| Others |
| CDO | Chief Data Officer
| Others |
| CDO | Chief Data Officers
| Others |
| CDO | Chief Dental Officer
| Others |
| CDO | Chief Design Officer
| Others |
| CDO | Chief Development Officer
| Others |
| CDO | Chief Digital Officer
| Others |
| CDO | Chief Digital Officers
| Others |
| CDO | Chief Disney Officerspic
| Others |
| CDO | Chief Diversity Officer
| Others |
| CDO | Chief Dreaming Officer
| Others |
| CDO | Chromosome Disorder Outreach
| Others |
| CDO | Chronic Duodenal Obstruction
| Others |
| CDO | Church Deployment Office
| Others |
| CDO | Cisco Defense Orchestrator
| Others |
| CDO | Civilian Detention Officer
| Others |
| CDO | Classified Delta Operations
| Others |
| CDO | Clear Data Overrun
| Others |
| CDO | Climate Data Online
| Others |
| CDO | Climate Data Operator
| Others |
| CDO | Climate Data Operators
| Others |
| CDO | Climatic Data OnLine
| Others |
| CDO | Colaborative Data Objects
| Others |
| CDO | Colabrative Data Object
| Others |
| CDO | Collaboration Data Objects
| Others |
| CDO | Collaborative Data Object
| Others |
| CDO | Collateral Debt Obligation
| Others |
| CDO | Collateralised Debt Obligation
| Others |
| CDO | Collateralized Debt Obligation
| Others |
| CDO | Collateralized Debt Obligations
| Others |
| CDO | Collateralized Debt Oblight
| Others |
| CDO | Come Down Ollie
| Others |
| CDO | Command Duty Officer
| Others |
| CDO | Commander, Detainee Operations
| Others |
| CDO | Common Data Object
| Others |
| CDO | Communication Data Objects
| Others |
| CDO | Community Database Online
| Others |
| CDO | Community Dial Office
| Others |
| CDO | Compagnia Delle Opere
| Others |
| CDO | Composite Data Objects
| Others |
| CDO | Compressed Day Off
| Others |
| CDO | Computation for Design and Optimization
| Others |
| CDO | Conduct and Discipline Officer
| Others |
| CDO | Congenital Duodenal Obstruction
| Others |
| CDO | Connected Data Objects
| Others |
| CDO | Constant Deficit Obligation
| Others |
| CDO | Contract Diagnostic Organization
| Others |
| CDO | Controlled Decomposition/Oxidation
| Others |
| CDO | Controller Disconnected Operation
| Others |
| CDO | Corvettes De Olympia
| Others |
| CDO | Credit Default Option
| Others |
| CDO | Crystal Data Object
| Others |
| CDO | Curl Data Object
| Others |
| CDO | Curved Dash Oldsmobile
| Others |