AER or Aer may refer to:

Arts and media

Music

  • Aer (band), a hip-hop band
  • Aer (album), an album by Swiss pianist and composer Nik Bärtsch's band Mobile

Publications

  • All England Law Reports, covering the court system in England and Wales
  • American Economic Review, an academic journal

Aviation

  • AerCap (NYSE stock symbol AER), an aircraft lessor
  • Aer Lingus, airline from Ireland
  • Sochi International Airport (IATA airport code), in Krasnodar Krai, Russia
  • Aeronautics at the Summer Olympics (IOC code)

Languages and linguistics

  • Aer language, an Indo-Aryan language of Pakistan
  • Eastern Arrernte language (ISO-639: aer), an Arandic dialect cluster of Australia
  • aer, Lindsay version of possessive and object Spivak pronouns

Organizations

  • Action For Economic Reforms, a public-interest research organization in the Philippines
  • Advanced Engine Research, an endurance racing car engine manufacturer
  • A.E.R. (automobile), a French former car manufacturer
  • AER (motorcycles), a British motorcycle manufacturer
  • Agri-Energy Roundtable, a non-governmental organization accredited by the United Nations
  • Alberta Energy Regulator
  • Algoma Eastern Railway, a former Canadian railway that operated in the province of Ontario
  • Army Emergency Relief
  • Assembly of European Regions, an independent network of European Regions
  • Atmospheric and Environmental Research, an American scientific research agency owned by Verisk Analytics
  • Australian Energy Regulator

Religion and mythology

  • Aër, a liturgical item in the Greek Orthodox Church
  • Air (classical element) (Greek: aer), in Greek mythology

Science and technology

  • All-electric range, the driving range of a vehicle using only electrical energy for propulsion

Biology

  • Aerides (Aer), an orchid genus
  • Agranular endoplasmic reticulum, a cell organelle
  • Albumin Excretion Rate, in urine
  • Apical ectodermal ridge, critical component of vertebrate limb development
  • Adverse effect reporting, or adverse event reporting, in pharmacovigilance
  • Adverse effect risk, or adverse event risk, in medecine

Other uses

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  • Annual equivalent rate, an interest rate

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  • Aer (Sendai), a skyscraper in Japan
  • Aer: Memories of Old, a 2017 adventure video game