| ICON | a small pictogram 
| Others |
| ICON | Icon image (1bit) (Sun icon file) (Unix)
| Others |
| ICON | Imagery Communications and Operations Node
| Others |
| ICON | Impacting Crime in Our Neighborhoods
| Others |
| ICON | Improving Connectivity in ONtario
| Others |
| ICON | Incredible Cozy Outstanding and Neat
| Others |
| ICON | Independent Control
| Others |
| ICON | Indian Certified Organics Network
| Others |
| ICON | Indonesian Camry Owners
| Others |
| ICON | Industrial Commission Online Network
| Others |
| ICON | Informal Communication Output Nomenclature
| Others |
| ICON | Inside Comfort, Outside Nature
| Others |
| ICON | Insulator Collectors On the Net
| Others |
| ICON | Integrated Cancer Oncology News
| Others |
| ICON | Integrated Control
| Others |
| ICON | Integrated Controls
| Others |
| ICON | Intelligent Computer Optimized Navigation
| Others |
| ICON | Interactive Computer Owner's Network
| Others |
| ICON | Intermediate Coordination Node
| Others |
| ICON | International Circle Of Online Noranians
| Others |
| ICON | International Clan Of Noobs
| Others |
| ICON | International Coalition on Newspapers
| Others |
| ICON | International Council On Nanotechnology
| Others |
| ICON | Isotopes of Carbon, Oxygen, and Nitrogen
| Others |