| Acronym | Definition |
|---|
| IYI➣Intellectual Yet Idiot |
| IYI➣Indiana Youth Institute |
| IYI➣Integral Yoga Institute (New York, NY) |
| IYI➣If You're Interested |
| IYI➣If You Insist |
| IYI➣International Youth Initiative (Michigan) |
| IYI➣International Yoga Institute (various locations) |