| Acronym | Definition |
|---|
| IIFS➣Institutions Offering Islamic Financial Services |
| IIFS➣Indian International Friendship Society |
| IIFS➣International Indian Football Series (Germany) |
| IIFS➣Interior Indian Friendship Society (Canada) |
| IIFS➣Individual Integrated Fighting System |
| IIFS➣International Institute of Financial Studies (India) |
| IIFS➣International Institute for Frame Study (Washington, DC; picture framing techniques and history) |
| IIFS➣International Institute of Forensic Science |