Aud or AUD may refer to:
Universities
- Ambedkar University Delhi
- American University in Dubai
Ships
- SS Aud, a 1907 Norwegian steamboat
- SS Libau, a German vessel which in 1916 posed as the Norwegian Aud while carrying arms to Ireland for the Easter Rising
People
- Anya Jenkins or Aud, a character in the Buffy: The Vampire Slayer TV series
- Aud Haakonsdottir of Lade, Viking queen
- Aud Wilken (born 1965), Danish singer
Other uses
- AUD, ISO 4217 currency code for the Australian dollar
- Aud, Missouri, a community in the United States
- Doctor of Audiology (Au.D.)
- Alcohol use disorder
- Aud Publishing, an imprint of VDM Publishing devoted to the reproduction of Wikipedia content
- KAUD (FM), a radio station in Mexico, Missouri
- WAUD, a radio station in Auburn, Alabama
- Buffalo Memorial Auditorium, known as "The Aud"
- Kitchener Memorial Auditorium Complex, known as "The Aud"