AHS

AHS is a three-letter abbreviation with multiple meanings, as described below:
* Albany High School (Albany, California), part of the Albany Unified School District, California
* Alice High School, part of the Alice Independent School Distrist in Alice, Texas
* Alien hand syndrome
* Apollo Health Street
* American Headache Society
* American Helicopter Society
* American Heraldry Society, an organization dedicated to promoting heraldry in the United States
* American Hiking Society
* American Horticultural Society, an educational organization that recognizes and promotes excellence in American horticulture
* AMN Healthcare Services' ticker symbol
* Antiquarian Horological Society, the British scholarly society for horological enthusiasts
* Arizona Historical Society, an organization whose goal is to collect, preserve, interpret, and disseminate the history of Arizona
* National Rail code for Ashurst (Kent) railway station, United Kingdom.
* Australian Hospital Ship - see AHS Centaur and List of Australian Hospital Ships
* Automated highway system, an advanced Intelligent transportation system technology designed to provide for driverless cars on specific rights-of-way
* Atlantic Hurricane Season
* African Horse Sickness, a highly infectious disease commonly affecting horses, mules, donkeys and zebras
* Adventist Health System, the umbrella organization of Seventh-day Adventist hospitals
* Adventist Health Studies, a series of medical studies of Seventh-day Adventists
* Asociación Hermanos Saíz, a Cuban rap/hip-hop organization