AAH, Aah, Aaah, or Aaaah may refer to:
Organizations Action Against Hunger, an international aid effort aimed at alleviating malnutrition in children Aloha Airlines of the US (ICAO code AAH) Arlington Academy of Hope, a non-profit organization operating in Uganda Asa'ib Ahl al-Haq, an Iraqi Shi'a insurgent group Association of Ancient Historians, learned society and publisher for ancient history Association of Art Historians, learned society for art historical study in the UK Australian Academy of the Humanities, an institution dedicated towards advancing Australian scholarship in the humanities Huron High School (Ann Arbor, Michigan) African Americans for Humanism, a program of the Council for Secular Humanism
Science and technology Advanced Attack Helicopter, a 1970s US Army program to develop a new attack helicopter Atypical adenomatous hyperplasia Aquatic ape hypothesis, the idea that human ancestors at some point lived partially in water
Other uses Aah (film), a 1953 Hindi film starring Raj Kapoor and Nargis Aaaah (film), a 2014 Tamil horror film Abu’ Arapesh language, a language of Papua New Guinea Aah (god), Egyptian god also known as Iah Aachen Merzbrück Airfield in North Rhine-Westphalia, Germany (IATA airport code AAH) Adopt-a-Highway, a common name for highway litter control programs