| Abbreviation | Definition |
|---|---|
| ICASP | Improvisation, Community, and Social Practice |
| ICB | International Citizens Band |
| ICB | Internet Citizen's Band |
| ICBM | Integrated Controlled Bass Manager |
| ICCA | International Competition of Collegiate Accapella |
| ICDD | Imperial Circus Dead Decadence |
| ICE | International Contemporary Ensemble |
| ICHR | Indian Council of Historical Research |
| ICM | Indian Classical Music |
| ICMA | Indian Classical Music and Arts |
| ICMA | International Computer Music Association |
| ICMF | Intercollegiate Chamber Music Festival |
| ICMF | International Chamber Music Festival |
| ICMF | International Church Music Festival |
| ICMP | Institute of Contemporary Music Performance |
| ICMP | International Confederation of Music Publishers |
| ICMS | Indian Classical Music Society |
| ICOM | International College Of Music |
| ICSE | Imperial College String Ensemble |
| ICSM | Independent Creative Sound and Music |