AH
AH and variants may refer to:
- Ah!, an exclamation
- AH (Anno Hegirae), Latin for Islamic "in the year of the Hijra" similar to the Latin for the Christian year Anno Domini
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Music
- "Ah", song by Charles Aznavour written by Charles Aznavour and José Lucchesi 1954
- "Ah" (song), a Japanese song by Superfly
- "Ah", a song by the Turkish band Duman 2002
Games and literature
- Achievement Hunter, a Texas-based online video gaming community
- Adam Hughes, a comic artist who signs his work "AH!"
- Alternate history, a subgenre of speculative fiction
- Arcana Heart, a video game series
- Avalon Hill, makers of military-themed board games
Places
- Afghanistan, World Meteorological Organization country code
- Anhui, a province of China (Guobiao abbreviation AH)
- Austria-Hungary, a former European empire
Aviation
- Air Algérie IATA designator
- Artificial Horizon, an attitude indicator, an aircraft cockpit instrument
- US military designation of an attack helicopter
Computing
- AH register, the high byte of an X86 16-bit AX register
- Authentication Header (AH), a part of the IPsec protocol suite
Disease, ventilation and electricity
- Adenomatous hyperplasia; see endometrial adenomatous hyperplasia and atypical adenomatous hyperplasia
- Air handler, or air handling unit (AHU), a device used to condition and circulate air
- Ampere hour, a unit of electric charge
Other fields
- Aegyptiaca Helvetica, an archaeological journal published by Schwabe (publisher)
- Ah (digraph), a digraph used in Taa language orthography
- Albert Heijn, a Dutch supermarket chain owned by Ahold
- Alkotmányvédelmi Hivatal, the Constitution Protection Office, a Hungarian intelligence agency
- Asian Highway Network, a project among countries in Asia and Europe to improve the highway systems in Asia
- Adolf Hitler, leader of Nazi Germany from 1933 - 1945
- A US Navy hull classification symbol: Hospital ship (AH)
See also
- AAH (disambiguation)
- AHH (disambiguation)
- A-ha, a New Wave/Synthpop band from Norway
- Aa! Japanese band
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- Ah Ah Ah (disambiguation)
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