EAY

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EAY or Eay can refer to:

• Aero Airlines, a regional airline based in Estonia from 2000 to 2008, by ICAO code
• Eay Simay (born 1991), a Paralympic powerlifter from Laos
• Empresa Aeronáutica Ypiranga, a Brazilian aircraft manufacturer from 1931 to 1942
• Xi'an North railway station, a train station in Xi'an, Shaanxi province, China, by telegraph code
• Effective Annual Yield, a business term; see List of business and finance abbreviations#E