| Acronym | Definition |
|---|
| WIFF➣Wrack Image File Format |
| WIFF➣Wang Image File Format |
| WIFF➣Wacky Interchange File Format |
| WIFF➣Warsaw International Film Festival (Poland) |
| WIFF➣Wazzu Independent Film Festival (Washington State University; Pullman, WA) |
| WIFF➣Wakefield International Film Festival (Canada) |
| WIFF➣Waste Isolation Pilot Plant (US Department of Energy) |