| Acronym | Definition |
|---|
| IAFI | Ice Age Floods Institute (Richland, WA) |
| IAFI | International Association of Fish Inspectors |
| IAFI | International Academic Friends of Israel (New York, NY) |
| IAFI | Institute of Agriculture and Food Information (Czech Republic) |
| IAFI | Investigació en Anàlisi Financera i de la Incertesa (Catalan: Research into Financial and Uncertainty Analysis) |
| IAFI | intrapartum amniotic fluid index |
| IAFI | Ikatan Ahli Fisiologi Indonesia |
| IAFI | International Aircraft Friction Index |
| IAFI | Investigación en Análisis Financiero y de la Incertidumbre (Spanish: Research into Financial and Uncertainty Analysis) |
| IAFI | International Adult Film Industry |
| IAFI | Interfaith Alliance Foundation, Inc |