AH
From Wikipedia, the free encyclopedia
AH may mean:
- After Hijra, refers to the years after Muhammad made the pilgrimage to Medina; used in the Islamic calendar
- Allah Hafiz, Islamic Good Bye
- After Hours, in reference to stock trading
- Adolf Hitler
- Afghanistan, WMO country code
- Air Algérie (IATA airline designator)
- American History
- Anno Hegirae, indicating that a date is from the Islamic calendar
- Attack Helicopter (U.S. military designation; e.g. AH-1 Cobra)
- Auction House, especially in many MMORPGs
- Authentication Header, the IPsec protocol designed to guarantee integrity and authenticity
- Avalon Hill (more properly TAHGC, "The Avalon Hill Game Company"), pioneering American publisher of wargames (1958–1998), whose brand name is now used by Hasbro/Wizards of the Coast
- Hospital Ship (US Navy hull classification symbol)
- U.S. Navy attack bomber designation for the F-4 Phantom II
Ah may mean:
- ampere-hour, an unit of electric charge
- An onomatopoeia for the sound made when one realizes something.
aH may mean: