AOU may refer to:
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.
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.
The Aouzou Strip (/ˈaʊzuː/; Arabic قطاع أوزو Qiṭāʿ Awzū, French: Bande d'Aozou) is a strip of land in northern Chad which lies along the border with Libya, extending south to a depth of about 100 kilometers into Chad's Borkou-Ennedi-Tibesti Region for an area of 114,000 km² and is named after the small town and oasis Aouzou.
Aoulef (Arabic: أولف, Awlaf) is a town and commune and capital of Aoulef District, in Adrar Province, south-central Algeria.
Aougrout (Arabic: أوﻗﺮت) is a commune in Aougrout District, Adrar Province, in south-central Algeria.
Aoua Kéita (12 July 1912, Bamako, French Sudan – 7 May 1980, Bamako, Mali) was a Malian independence activist, politician and writer.
Aouda a character in Around the World in Eighty Days by Jules Verne, is an Indian-European princess rescued by Phileas Fogg and Passepartout.
The Aoufous Formation is a geological formation that contains some of the vertebrate assemblage of the Kem Kem Beds, of Late Cretaceous date.