AH may refer to:
Albert Heijna Dutch supermarketchain owned by Ahold.
Anno Hegiraea Latinization of Hijriyear.
*After hours stock trading.
Authentication Header, a part of the IPsecprotocol suite
Avalon Hill, makers of military-themed board games
Air handler, Often abbreviated to AHU, is a device used to condition and circulate air
Alternate History, a subgenre of speculative fiction.
Artificial Horizon, an aircraft instrument.
Ah may refer to:
ampere-hour, a unit of electric charge.
onomatopoeiafor the sound made when one realizes something. In certain spiritual traditions AH may mean:
* Is the first sound made when evoking the sound
Aumof the Omkara signification.
aH may refer to:
attohenry, an SI unit of inductance
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