| CO&I | Cloud Operations and Innovation
| Others |
| COI | Captain of Industry
| Others |
| COI | Captains Of Industry
| Others |
| COI | Caraibes Ocean Indien
| Others |
| COI | Cardiac Output Index
| Others |
| COI | Carried Over Instrument
| Others |
| COI | Center Of Influence
| Others |
| COI | Center on Organizational Innovation
| Others |
| COI | Centers of Influence
| Others |
| COI | Central Obesity Index
| Others |
| COI | Central Office of Information
| Others |
| COI | Centre Of Influence
| Others |
| COI | Certificate Of Inspection
| Others |
| COI | Certificate Of Insurance
| Others |
| COI | Charge Ordered Insulating
| Others |
| COI | Chat Over IMAP
| Others |
| COI | Chemical of Interest
| Others |
| COI | Chickens On Ice
| Others |
| COI | Chronic Orthostatic Intolerance
| Others |
| COI | Church Of Iron
| Others |
| COI | Circle Of Influence
| Others |
| COI | Cities On the Internet
| Others |
| COI | City Of Industry
| Others |
| COI | Civic Oldskool Indonesia
| Others |
| COI | Class Of Interface
| Others |
| COI | Clinical Open Innovation
| Others |
| COI | Co-Installer
| Others |
| COI | Coast Orbital Insertion
| Others |
| COI | Coefficient Of Inbreeding
| Others |
| COI | collagen type I
| Others |
| COI | Colors of India
| Others |
| COI | Colours of Impact
| Others |
| COI | Combination Output Interface
| Others |
| COI | Commercialization Of Innovation
| Others |
| COI | Commission of Inquiry
| Others |
| COI | Committee on Information
| Others |
| COI | Communications Operating Instructions
| Others |
| COI | Communications Options Inc
| Others |
| COI | Communities Of Interest
| Others |
| COI | Community Of Immortality
| Others |
| COI | Community of Innovation
| Others |
| COI | Community Of Inquiry
| Others |
| COI | Community Of Interest
| Others |
| COI | Composite Optics, Inc.
| Others |
| COI | Conditional Operator Insertion
| Others |
| COI | Conflict Of Interest
| Others |
| COI | Conflicts of Interest
| Others |
| COI | Contact Of Interest
| Others |
| COI | Contingency Orbit Insertion
| Others |
| COI | Control of Inversion
| Others |
| COI | Coordinator Of Information
| Others |
| COI | Cost and consequences Of Inaction
| Others |
| COI | Cost of Ignoring
| Others |
| COI | Cost of Illness
| Others |
| COI | Cost Of Inaction
| Others |
| COI | Cost Of Insurance
| Others |
| COI | Costs of Insurance
| Others |
| COI | Country of Origin Information
| Others |
| COI | Court of Inquiry 
| Military |
| COI | Critical Operational Issue
| Others |
| COI | Cumulative Operator Integral
| Others |
| COI | Customer Owned Inventory
| Others |
| COI | Cytochrome Oxidase I
| Others |
| COI | Tunisian Engineers' Order
| Others |