AHS

• Adelaide High School, Adelaide, Australia
• Aitkin High School, Minnesota, USA
• Agoura High School, Agoura Hills, USA
• Albemarle High School (Virginia), USA
• Alice High School, Texas, USA
• Allen High School (disambiguation), various schools
• Alpharetta High School, Georgia, USA
• Alternative High School (Calgary), Alberta, Canada
• Ames High School, Iowa, USA
• Amsterdam High School, New York, USA
• Andrean High School, Indiana, USA
• Anglican High School (disambiguation), various schools
• Annandale High School, Virginia, USA
• Ashland High School (disambiguation), various schools
• Austin High School (disambiguation), various schools
• Aylesbury High School, Buckinghamshire, UK
• Ancaster High School, Ontario, Canada
• Amesbury High School, Massachusetts, U.S.A.
• Ajax High School, Ajax, Ontario, Canada

• American Headache Society, of professional headache specialists
• American Helicopter Society International
• American Hiking Society
• American Horticultural Society
• Antiquarian Horological Society, UK
• Arizona Historical Society, USA
• Abertay Historical Society, Scotland
• National Federation of Atheist, Humanist and Secular Student Societies, UK

• Academy of Health Sciences, US Army
• Adventist Health Studies, of Seventh-day Adventists
• Alameda Health System, of Alameda County, California
• Alberta Health Services, a provincial health authority in Alberta, Canada
• Atlantic Health System, a New Jersey health care network

• African horse sickness, affecting equines
• Alien hand syndrome, a neurological disorder affecting the hands
• American Horror Story, an American television series
• American Horror Stories, an spin-off of the American television series
• American Housing Survey, a statistical survey
• Ashurst (Kent) railway station, England (National Rail code)
• Australian Hospital Ship, prefix
• Automated highway system or Smart Road, for driverless cars

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• {{lookfrom|ahs}}
• AH (disambiguation)
• HS (disambiguation)

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