| Abbreviation | Definition |
|---|---|
| HVSF | Hudson Valley Shakespeare Festival |
| IABF | International Albanian Brass Festival |
| IADF | Irish Aerial Dance Festival |
| IBBF | Imatra Big Band Festival |
| IBFF | International Black Film Festival |
| IBFM | International Ballet Festival of Miami |
| IBMF | Internacional Body Music Festival |
| IBMF | International Bali Meditators Festival |
| IBMF | International Body Music Festival |
| ICAF | International Comic Arts Festival |
| ICBF | Indigenous Crop Biodiversity Festival |
| ICFFI | International Children Film Festival of India |
| ICFFI | International Children's Film Festival India |
| ICMF | Ilkley Complementary Medicine Festival |
| ICTF | International Collegiate Theatre Festival |
| ICWF | International Conducting Workshop Festival |
| IDEF | Interactive Digital Entertainment Festival |
| IDFB | International Dance Festival Birmingham |
| IDFI | International Dance Festival Ireland |
| IEFF | International Ethnic Folklore Festival |