IIFS
| 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 |