ICRF
| Acronym | Definition |
|---|---|
| ICRF | Imperial Cancer Research Fund |
| ICRF | International Coalition for Religious Freedom (since 1984; Falls Church, Virginia) |
| ICRF | International Celestial Reference Frame |
| ICRF | Israel Cancer Research Fund |
| ICRF | Ion Cyclotron Range of Frequency |
| ICRF | Ion Cyclotron Resonance Frequency |
| ICRF | Ion Cyclotron Resonant Frequency |
| ICRF | Illinois College Republican Federation |
| ICRF | Independent Claims Resolution Foundation |
| ICRF | Irrevocable Confirmation of Reserved Funds |