| Acronym | Definition |
|---|
| IFIS➣Intraoperative Floppy Iris Syndrome |
| IFIS➣International Food Information Service |
| IFIS➣Integrated Flight Information System |
| IFIS➣Islamic Finance Information Service |
| IFIS➣Integrated Financial Information System (accounting) |
| IFIS➣International Flight Inspection Symposium |
| IFIS➣Internet Flight Information Service (New Zealand) |
| IFIS➣Industry File Information System (environment) |
| IFIS➣Institute for Infrastructure Surety (US) |
| IFIS➣International Food Information System |
| IFIS➣Instrument Flight Instructors School |
| IFIS➣International Federation of Information Processing |
| IFIS➣Iowa Flood Information System (University of Iowa) |
| IFIS➣Integriertes Führungs- & Information System (German CVC2 System) |