| 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 |