AER

AER is a three-letter acronym that may refer to:

* Annual equivalent rate, a notational interest rate
* Aer, a skyscraper in Japan
* Apical ectodermal ridge (AER), critical component of vertebrate limb development
* Aër, a liturgical item in the Greek Orthodox Church
* Aer, the abbreviation for the orchid genus "Aerides"
* AER Amplifiers, an acoustic guitar amplifier brand
* Alcohol elimination rate, the rate by which ethanol is eliminated from the human body.
* All England Law Reports, a long-running series of law reports covering cases from the court system in England and Wales.
* Agranular endoplasmic reticulum, better known as smooth endoplasmic reticulum, is a cell organelle
* A.E.R, an Irish alternative rock band.
* American Economic Review
* Australian Energy Regulator
* Assertive Engagement Resource, an online resource for drug and outreach workers
* A.E.R., a sub brand of B.N.C.
* In Greek mythology, aer (air) was the name for what mortals breathed, as opposed to the aether breathed by the gods.
* The IATA airport code for Adler-Sochi International Airport, Russia
* Advanced Engine Research, an endurance racing engine manufacturer
* Atmospheric and Environmental Research a company based in the United States
* Alignment Error Rate, a metric for word alignment used in Machine Translation.
* Assembly of European Regions, an independent network of European Regions.