| ICARUS | Industrial Computer Application Retrieval and Utility Systems 
| Others |
| ICARUS | Institute For Central American Research United States
| Others |
| ICARUS | Integrated Computer Application For Recognizing User Service
| Others |
| ICARUS | Integrated Computer Application For Recognizing User Services
| Others |
| ICARUS | Inter County Arson Reduction Usernet System
| Others |
| ICARUS | Internet Cafe Administration Report Usage System
| Others |
| ICARUS | The Integrated Control Application For Restricting User Services
| Others |