Ay, AY or variants, may refer to:

Look up ay in Wiktionary, the free dictionary.

• Ay (pharaoh), a pharaoh of the 18th Egyptian dynasty
• Merneferre Ay, a pharaoh of the 13th Egyptian dynasty
• A.Y. (musician) (born 1981), a Tanzanian "bongo flava" artist
• AY, the stage name of Ayo Makun, a Nigerian actor, comedian, radio and television presenter, actor, writer, director and emcee
• Ay dynasty, a ruling lineage in south India
• Fatma Ay (born 1992), Turkish female handball player
• Savaş Ay (1954–2013), Turkish journalist
• Yeliz Ay (born 1977), Turkish female racewalker

• Aÿ, former commune of Marne département, France
• Ay (river), a river in Russia
• Antarctica (DAFIF 0413 / DIA 65-18 / FIPS PUB 10-4 territory code and obsolete NATO digram AY)
• Armenia (WMO country code AY)

• Aymara language (ISO-639 alpha-2 code AY)
• Ay, transliteration of Volapük Ä and ä

• Academic year, sometimes abbreviated as "AY"
• General Instrument AY-3-8910, a computer sound chip common in the 1980s and often referred to as the "AY chip"
• AY, IATA airline designator for Finnair

• Aye (disambiguation)
• Aylesbury, Buckinghamshire, England
• Eye (disambiguation)

This disambiguation page lists articles associated with the title Ay.
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