IHAF
| Acronym | Definition |
|---|---|
| IHAF | Institut d'Histoire de l'Amérique Française (French: Institute for the History of French America; University of Montreal, Canada) |
| IHAF | The In-House Agency Forum |
| IHAF | International Holistic Aromatherapy Foundation (est. 1998; UK) |
| IHAF | International Horse Archery Festival |