| Abbreviation | Definition |
|---|---|
| IIMP | International Index to Music Periodicals |
| IIWAB | If I Were A Boy |
| IJAC | International Jazz Arranging Competition |
| IJF | International Jazz Festival Prague (Prague, Czech Republic; annual jazz music festival) |
| IJMF | International Jewish Music Festival |
| IJO | Interplay Jazz Orchestra |
| IJR | Independence Jazz Reunion |
| IKYWT | I Knew You Were Trouble |
| ILAM | International Library of African Music |
| ILCM | I Love Creative Music |
| ILM | I List Music |
| ILM | I Love Music |
| ILYM | i love your music |
| IM | Indopak Music |
| IM | Instant Music |
| IM | Interactive Metronome |
| IMA | Idemitsu Music Award |
| IMA | Independent Music Awards |
| IMA | institute for the musical arts |
| IMAF | Independent Music and Art Festival |