| Acronym | Definition |
|---|
| YIF➣Your Imaginary Friend |
| YIF➣Youth Innovation Fund (W. K. Kellogg Foundation) |
| YIF➣Young Inventors Fair (Minnesota) |
| YIF➣Yayasan Indonesia Forum (academic forum) |
| YIF➣Young India Films (Chennai, India) |
| YIF➣Youth Information Form (runaway and homeless youth) |