IDAF
| Acronym | Definition |
|---|---|
| IDAF | International Defence and Aid Fund (for Southern Africa) |
| IDAF | Interior Design Associations Foundation (Jacksonville, FL) |
| IDAF | Integrated Development of Artisanal Fisheries in West Africa (Food and Agriculture Organization; UN) |
| IDAF | I've Done Action Films (gaming group) |
| IDAF | Isthmus-Dependent Atrial Flutter |
| IDAF | International Dwarf Athletics Federation |
| IDAF | It Discussioni Auto Ford (Italian: Ford Auto Discussion It (Italy); online forum) |
| IDAF | Interacting Distributed Approximating Function |