| Abbreviation | Definition |
|---|---|
| ICF | Inti Christian Fellowship |
| ICF | Italian Catholic Federation |
| ICFC | International Christian Fellowship at Columbia |
| ICFT | Islamic Center of Five Towns |
| ICFW | International Christian Fiction Writers |
| ICHE | Illinois Christian Home Educators |
| ICHR | International Crusade for Holy Relics |
| ICHS | Illiana Christian High School |
| ICHS | International Christian High School |
| ICIN | Iraqi Christians in Need |
| ICK | Intermediate Chapel Kids |
| ICLC | International Christian Leadership Connections |
| ICLN | International Catholic Legislators Network |
| ICM | Internationa Christian Mission |
| ICM | International Christian Mission |
| ICMC | International Catholic Migration |
| ICMC | International Catholic Migration Commission |
| ICMI | Ikatan Cendekiawan Muslim se-Indonesia |
| ICN | Independent Catholic News |
| ICNA | Islamic Circle of North America |