AUA may stand for:
The Auatí-Paraná Extractive Reserve (Portuguese: Reserva Extrativista Auatí-Paraná) is an extractive reserve is Amazonas, Brazil.
Auaxa cesadaria is a moth of the family Geometridae. It is found in Taiwan, China and Japan.
Auaxa is a genus of moth in the family Geometridae.
Auala is a small village on the northwest coast of Savai'i island in Samoa. The village is in the electoral constituency of Vaisigano East which forms part of the larger political district of Vaisigano.
The Auati-Paraná Canal (Portuguese: Canal Auati-Paraná) is a natural canal of Amazonas state in north-western Brazil.
Austrian Airlines AG, sometimes shortened to Austrian, is the flag carrier of Austria and a subsidiary of the Lufthansa Group.
The Auas Mountains is the highest mountain range in Namibia. Located near Windhoek, the range is 56 kilometers long, and is rich in flora and fauna.
Aua (alternalely Awa, Ava) (circa 1870, Igloolik area - after 1922) was an Inuk angakkuq (medicine man) known for his anthropological input to Greenland anthropologist Knud Rasmussen.