IAHD
| 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 |