| ICO | Ica Client Object 
| Others |
| ico | Icon
| Others |
| ICO | Icon image file
| Others |
| ICO | Ideal Coin Offering
| Others |
| ICO | Illinois College of Optometry
| Others |
| ICO | Immaterial Carnivore Octopus
| Others |
| ICO | Incumbent Cable Operator
| Others |
| ICO | Index of Central Obesity
| Others |
| ICO | Indian Computing Olympiad
| Others |
| ICO | Indiana Crossroads Orienteering
| Others |
| ICO | Indianapolis Chamber Orchestra
| Others |
| ICO | Industrial Contracts Office
| Others |
| ICO | Information Commissioner Office
| Others |
| ico | Information Commissioner's Office
| Others |
| ICO | Initial Coin Offering
| Others |
| ICO | Initial Coin Offerings
| Others |
| ICO | Initial Community Offering
| Others |
| ICO | Inner City Outings
| Others |
| ICO | Innovation Center for Operations
| Others |
| ICO | Input Cognition and Output
| Others |
| ICO | Inspiring Connections Outdoors
| Others |
| ICO | Instant Change Order
| Others |
| ICO | Institute and Center Operations
| Others |
| ICO | Institute of Contemporary Observation
| Others |
| ICO | Integrated CheckOut
| Others |
| ICO | Integrated Contract Organization
| Others |
| ICO | Intelligence Community Officer
| Others |
| ICO | Interagency Committee on Oceanography
| Others |
| ICO | Interfaith Community Organization
| Others |
| ICO | Intermediate Circular Orbit
| Others |
| ICO | International Car Operator
| Others |
| ICO | International Car Operators
| Others |
| ICO | International Coffee Organization
| Others |
| ICO | International College for Officers
| Others |
| ICO | International Commission for Optics
| Others |
| ICO | International Computer Olympiad
| Others |
| ICO | International Congress on Obesity
| Others |
| ICO | International Council of Ophthalmology
| Others |
| ICO | International Crossminton Organisation
| Others |
| ICO | International Cyber Olympiad
| Others |
| ICO | Investment Capital Offering
| Others |
| ICO | Investor Caution Obligatory
| Others |
| ICO | Irish Chamber Orchestra
| Others |
| ICO | Irish College of Ophthalmologists
| Others |
| ICO | Islamic Caliphate Organization
| Others |
| ICO | Israel Chamber Orchestra
| Others |
| ICO | itial Coin Offering
| Others |
| ICO | itial Crowdfunding Offering
| Others |
| ICO | Sicogon Island, Philippines
| Others |