ISIF
| Acronym | Definition |
|---|---|
| ISIF | Information Society Innovation Fund (grant program) |
| ISIF | International Symposium on Integrated Ferroelectrics |
| ISIF | International Society for Information Fusion |
| ISIF | Industrial Site Improvement Fund (Ohio) |
| ISIF | Idaho State Insurance Fund (Boise, ID) |
| ISIF | Industrial Special Indemnity Fund (workers' compensation; Idaho) |