AOU may refer to:
Aouille Tseuque is a mountain of the Pennine Alps on the Swiss-Italian border. On its northern side it overlooks the Otemma Glacier.
Aouze is a commune in the Vosges department in Grand Est in northeastern France.
Aougrout District is a district of Adrar Province, Algeria. According to the 2008 census it has a population of 28,869.
Aoos, or Aous may refer to ancient peoples or locations:
Aoudaghost (also transliterated as Awadaghust, Awdughast, Awdaghusht and Awdhaghurst) is a former Berber town in Hodh El Gharbi, Mauritania.
Aouste is a French commune in the Ardennes department in the Grand Est region of northern France.
Aoupinieta hollowayi is a species of moth of the Tortricidae family. It is found in New Caledonia. The habitat consists of rainforests, where it has been recorded at altitudes between 250 metres (820 ft) and 520 metres (1,710 ft).
Aouderas (alt: Adharous, Auderas) is an oasis village in the Aïr Mountains of northeastern Niger, about 90 km (56 mi) north-northeast of the regional capital of Agadez.
Aoupinieta novaecaledoniae is a species of moth of the Tortricidae family. It was described by Razowski in 2012 and is endemic to New Caledonia.