| Acronym | Definition |
|---|
| IAHD➣International Association for Handicapped Divers |
| IAHD➣Idaho Association of Highway Districts |
| IAHD➣International Academy of Hair Design (est. 1981; South Daytona, FL) |
| IAHD➣Institute of Applied Human Dynamics (Tarrytown, NY) |
| IAHD➣International Animal Health Division (Department for Environment, Food and Rural Affairs; UK) |
| IAHD➣Inlet Air Heater Driver |