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

• Airman Battle Uniform, a new utility uniform for the U.S. Air Force.
• Asia-Pacific Broadcasting Union
• Atlantic Baptist University, a Christian university located in Moncton, New Brunswick, Canada
• l'Association des Bibliophiles Universels, a digital library project that publishes French works in the public domain
• Haliwen Airport (IATA airport code: ABU) in Atambua, Indonesia
• Ahmadu Bello University, a university located in Zaria, Nigeria.
• ABU Garcia, a Swedish producer of sportfishing equipment
• Asymptomatic bacteriuria, bacteria in the urine without signs of a urinary tract infection

Abu may have the following meanings.

• Ab (Semitic), a common part of Arabic-derived names, meaning "father of" in Arabic
• Abu (volcano), a volcano on the island of Honshu in Japan.
• Mount Abu is the highest mountain in the Indian state of Rajasthan.
• Abu, Yamaguchi is a town in Japan.
• Abu (god), a minor god of vegetation in Sumerian mythology
• Abu (Aladdin), a monkey character in the Aladdin (1992 Disney film) franchise
• Abu is the fifth month of the Babylonian calendar
• Abu is the Ancient Egyptian name for the city of Elephantine, near modern day Aswan
• Abu Dahdah
• Abu Hamza
• Abu Nasir

Abu steht für:

• einen arabischen Beinamen („Vater von“), siehe Abu (Beiname)
• europäische Münzen, die durch den Levantehandel in arabischen Staaten verbreitet waren, siehe Abu (Münze)
• den Vegetationsgott der Sumerer, siehe Abu (Gottheit)
• eine Gruppe von Vulkanen in Japan, siehe Abu-Vulkangruppe

ABU peut faire référence à :

•  Asia-Pacific Broadcasting Union];
• Association des bibliophiles universels, un projet de bibliothèque numérique d’œuvres de langues française du domaine public ;

.

Ce mot peut être écrit abou, abu ou abû.

Abu kan ha flera betydelser:

• abu betyder fader till på arabiska. Tidigare vanligt som förled i arabiska efternamn. Se Ab (fader)
• Abu (vulkan), en vulkan på ön Honshu i Japan.
• Abu (berg) är det högsta berget i den Indiska delstaten Rajasthan.
• Abu, Yamaguchi är en stad i Japan.
• Abu var en rollfigur i filmen Aladdin.
• Abu är den femte månaden i den Babyloniska kalendern.
• ABU-Garcia AB, företag.

Abu. Góra w prowincji Gujarat w środkowych Indiach, na której, opodal wsi Dilwara, wzniesiono cztery dżinijskie świątynie należące do najstarszych obiektów sakralnej architektury dżinijskiej. Najważniejsze z nich to: świątynia Wimali (z ok. 1231) oraz świątynia Tejahpala (1232).