| Acronym | Definition |
|---|
| IOC➣International Olympic Committee |
| IOC➣Intergovernmental Oceanographic Commission (UNESCO) |
| IOC➣Inversion of Control (OOP pattern) |
| IOC➣Input/Output Controller |
| IOC➣Instituto Oswaldo Cruz (Portuguese: Oswaldo Cruz Institute; Brazil) |
| IOC➣Initial Operational Capability |
| IOC➣Integrated Operations Center (various organizations) |
| IOC➣Initial Operating Capability |
| IOC➣Invasion of Chaos (gaming) |
| IOC➣International Olive Council |
| IOC➣Indicator of Compromise |
| IOC➣Imitation of Christ |
| IOC➣International Oceanographic Commission |
| IOC➣Initiatives of Change (various locations) |
| IOC➣Indian Ocean Commission |
| IOC➣Isdn Ordering Code |
| IOC➣Inter Office Channel |
| IOC➣Instant Organizational Chart |
| IOC➣Input Output Control |
| IOC➣Ibm Open Class Library |
| IOC➣Inversion of Control |
| IOC➣Install Optional Components |
| IOC➣Institute of Oriental Culture (Institute for Advanced Studies on Asia; Japan) |
| IOC➣Immediate or Cancel (trade order) |
| IOC➣International Oil Company |
| IOC➣Indian Oil Corporation, Ltd |
| IOC➣Indian Orthodox Church |
| IOC➣Independent Operating Company |
| IOC➣Institute of Organic Chemistry (China) |
| IOC➣Indirect Operating Cost |
| IOC➣Industrial Operations Command |
| IOC➣Inorganic Chemical |
| IOC➣Images-On-Call (teleradiology system) |
| IOC➣Interagency Operations Center |
| IOC➣Iraqi Olympic Committee |
| IOC➣Information Operations Center |
| IOC➣International Ozone Commission |
| IOC➣Integrated Oil Company |
| IOC➣Integrated Optical Circuit |
| IOC➣Intraoperative Cholangiogram |
| IOC➣Initial Operational Clearance |
| IOC➣Industrial Office Commercial (realty) |
| IOC➣Inter-Office Channel |
| IOC➣Institute of Carpenters |
| IOC➣Inorganic Compound |
| IOC➣Interoffice Channel |
| IOC➣Index of Cooperation (ITU-T) |
| IOC➣Instructor Orientation Course (SCUBA PADI course) |
| IOC➣In-Orbit Checkout |
| IOC➣Internet Operations Center (IETF) |
| IOC➣ISDN Ordering Code (Bellcore) |
| IOC➣Illinois Online Conference (now Illinois Online Conference) |
| IOC➣Infantry Officers' Course (USMC) |
| IOC➣Input/Output Cluster (Cray) |
| IOC➣Internal Organizational Communication |
| IOC➣Inter Office Communications |
| IOC➣Internal Oral Commentary (examination) |
| IOC➣Interior Oriented Collaboration (Japan) |
| IOC➣Islam on Campus |
| IOC➣Independent Operating Carrier |
| IOC➣Instantaneous Overcurrent |
| IOC➣International Oil Corporation (Nevada) |
| IOC➣IOTA Occultation Camera (International Occultation Timing Association) |
| IOC➣Internal Oral Assessment (education) |
| IOC➣Interfaith Open Communities |
| IOC➣Islamic Observation Centre |
| IOC➣Individual Oral Commentary |
| IOC➣Information Object Class |
| IOC➣INTELSAT Operations Center |
| IOC➣Internet Operation Center |
| IOC➣Inter-Organizational Coordination |
| IOC➣Integrated Optical Component |
| IOC➣Intercept Operations Center |
| IOC➣Impact Over Cost |
| IOC➣Innovation Ontario Corporation (Government of Ontario Corporation) |
| IOC➣Innocent Owner/Operator Certificate |
| IOC➣In-Orbit Construction (NASA) |
| IOC➣In-Organic Chemical |
| IOC➣Intrinsic Order Criterion |
| IOC➣Involuntary Outpatient Civil commitment |
| IOC➣Intercell Ohmic Contact |
| IOC➣Input Output Cabinet |
| IOC➣International Obesity Congress |
| IOC➣Internal Overload Control |
| IOC➣Internal Office Communication |
| IOC➣Índice de Oscilación Austral (Spanish: Southern Oscillation Index) |
| IOC➣Inter-Object Concurrency |
| IOC➣Inspector on Call |
| IOC➣Internal Office Code |
| IOC➣Interactive Orbit Calculator |
| IOC➣International Outsourcing Company (Tunisia) |