| Acronym | Definition |
|---|
| IAHS➣International Association of Hydrological Sciences |
| IAHS➣International Association for Housing Science (Coral Gables/Miami, FL) |
| IAHS➣Institute for Applied Health Sciences (Canada) |
| IAHS➣Internet Ancient History Sourcebook (Internet History Sourcebooks Project) |
| IAHS➣Intake Air Heating System (Advanced Engine Technology Ltd.) |
| IAHS➣Inlet Air Heater Sensor |
| IAHS➣Intelligence Application Hardware Suite |