Aku

Aku may refer to:
 * Aku, Nigeria, a town in Enugu State
 * "Aku" (poem), 1943, by Chairil Anwar
 * Aku people of Gambia
 * Aku dialect, a dialect of Sierra Leone Krio
 * Aku, the main antagonist of the animated television series Samurai Jack
 * The Hawaiian word for skipjack tuna
 * Hal Lewis (Aku), a former Hawaii radio presenter
 * Aku (given name)
 * Aku (album), by Japanese band MUCC (2020)

AKU may refer to:
 * Aksu Airport, China (IATA code AKU)
 * Aryabhatta Knowledge University, Bihar, India
 * Adaptation kit upgrade, for updating Windows Mobile
 * Aga Khan University, Pakistan, East Africa, and the UK.
 * Al-Kafaàt University, Beirut, Lebanon
 * Alkaptonuria, or black urine disease
 * Algemene Kunstzijde Unie, a Dutch company merged into Akzo Nobel