AY may refer to:*Finnair, IATA airline designatorAntarctica, DAFIF 0413 / DIA 65-18 / FIPS PUB 10-4 territory code and obsolete NATO digramArmenia, WMO country codeGeneral Instrument AY-3-8910, a computer sound chip common in the 1980s and often referred to as the "AY chip"Academic year, sometimes abbreviated as "AY"A.Y. (musician), a Tanzanian "bongo flava" artistAylesbury, Buckinghamshire Ay can mean: Ay, a pharaoh of Ancient Egypt Ay kingdom, an ancient dynasty in India Murat Ay, a Turkish ca… (More on Ay)