AHD or Ahd may refer to:
Linguistics
- Althochdeutsch (Ahd.), the German name for Old High German
- The American Heritage Dictionary of the English Language
Medicine
- Alveolar hydatid disease, a parasitic disease
- Arteriosclerotic heart disease, a buildup of plaque in arteries leading to the heart
Other uses
- Acoustic Hailing Device, a high-powered loudspeaker for communicating at long distances
- Ahd Party, a Jordanian political party
- Analog High Definition, a standard for transmitting high-definition analog video
- Ardmore Downtown Executive Airport, Oklahoma, US, IATA code AHD
- Artificial High Directional, a portable system used in rescue operations and rope access work to elevate rope lines above edges, obstructions, railing, walls, and other challenging terrain
- Ashtead railway station, Surrey, England, station code
- Audio High Density, a digital disc format
- Australian Height Datum, a standard for measuring heights relative to landforms, tides, etc.
This disambiguation page lists articles associated with the title AHD.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: