| Acronym | Definition |
|---|
| COI➣Commission de l'Océan Indien (French: Indian Ocean Commission; various nations) |
| COI➣Center of Interest (photography) |
| COI➣Conflict Of Interest |
| COI➣Community of Interest |
| COI➣City of Industry (California) |
| COI➣Church of India (Columbia, MD) |
| COI➣Church of Ireland |
| COI➣Certificate of Insurance (insurance) |
| COI➣Copy of Insurance |
| COI➣Chain of Information |
| COI➣Country of Origin Information |
| COI➣Control of Infection |
| COI➣Certificate of Incorporation |
| COI➣Comité Olimpico Internacional (Spanish: International Olympic Committee) |
| COI➣Central Office of Information |
| COI➣Causes of Infection |
| COI➣Compound of Interest |
| COI➣Circles of Interest |
| COI➣Community of Influence (real estate) |
| COI➣Centers of Influence |
| COI➣Certificate of Inspection |
| COI➣College of Informatics (various universities) |
| COI➣Circle of Influence (marketing) |
| COI➣Cloak of Invisibility (science fiction) |
| COI➣Connersville (Amtrak station code; Connersville, IN) |
| COI➣Consiglio Oleicolo Internazionale (Italian: International Olive Oil Council) |
| COI➣Competition of Ideas (Ministry of Defense; UK) |
| COI➣Chemicals of Interest (US DHS) |
| COI➣Current of Injury (cardiology) |
| COI➣Committee on Instruction |
| COI➣Cytochrome Oxidase I |
| COI➣Co-Installer |
| COI➣Co-Investigator |
| COI➣Commencement of Injection (auto engine) |
| COI➣Commission Océanographique Intergouvernementale (French: Intergovernmental Oceanographic Commission; UNESCO) |
| COI➣Certified Online Instructor |
| COI➣Cost of Illness |
| COI➣Court of Inquiry |
| COI➣Confirmed Opt-In (email mailing list regiatration confirmation procedure) |
| COI➣Center for Open Innovation (University of California, Berkeley) |
| COI➣Cost of Insurance |
| COI➣Coordinator Of Information |
| COI➣Corinne Orbach Immobilier (French real estate company) |
| COI➣Cardiac Output Index |
| COI➣Complément d'Objet Indirect (French: Indirect Object; grammar) |
| COI➣Centre for Organisation and Innovation (Economic and Social Research Council; UK) |
| COI➣Course Of Instruction |
| COI➣Community Outreach, Inc. (Oregon) |
| COI➣Coastal Ocean Institute (Woods Hole Oceanographic Institution) |
| COI➣Comando Operativo Interforze (Italian: Operational Interforces Command) |
| COI➣Certificate of Irradiation (sterility validation process) |
| COI➣Coefficient of Inbreeding |
| COI➣Committee on Information |
| COI➣Cone of Influence (symbolic model checking procedure) |
| COI➣Committee on Infrastructure (India) |
| COI➣Critical Operational Issue |
| COI➣Composite Optics Inc. |
| COI➣Contango Operators, Inc. (Houston, TX) |
| COI➣Community Options Inc. |
| COI➣Constituents of Interest |
| COI➣Certificate of Identicality |
| COI➣Consent of Instructor (coursework authorization) |
| COI➣Cost of Investment |
| COI➣Contact of Interest |
| COI➣Current Operating Income (finance) |
| COI➣Career Orientation Inventory |
| COI➣Cause of Insanity (band) |
| COI➣Cut-Off Index (medicine) |
| COI➣Canadian Outcomes Institute |
| COI➣Criticomm Operating Instructions (telecommuniations) |
| COI➣Coloboma of Iris, Choroid, and Retina |
| COI➣Country of Interest |
| COI➣Crossroads Online Institute |
| COI➣Congregation of Israel |
| COI➣Chief of Installation |
| COI➣Coast Orbital Insertion (NASA) |
| COI➣Customer-Owned Inventory |
| COI➣Curriculum of Instruction |
| COI➣Commission of Integrity (Iraq) |
| COI➣Critical Operations Issues |
| COI➣Class Of Interface |
| COI➣Chief Of Implementation |
| COI➣Chief of Initiatives |
| COI➣Communications Operating Instruction |
| COI➣Continuous Optical Irradiation |
| COI➣Contractor Operating Instructions |
| COI➣Current Operations and Intelligence |
| COI➣Certificate of Installation |
| COI➣Coalition of Itan (gaming guild) |