Bau or BAU may refer to:
Staatliches Bauhaus (German: [ˈʃtaːtlɪçəs ˈbaʊˌhaʊs]), commonly known simply as Bauhaus, was a German art school operational from 1919 to 1933 that combined crafts and the fine arts, and was famous for the approach to design that it publicised and taught.
Baudouin (Dutch: Boudewijn; 7 September 1930 – 31 July 1993) reigned as 5th King of the Belgians, following his father's abdication, from 1951 until his death in 1993. He was the last and 4th sovereign King of Congo.
Bauhaus were an English post-punk band, formed in Northampton, England in 1978. The group consisted of Peter Murphy (vocals, occasional instruments), Daniel Ash (guitar), Kevin Haskins (drums) and David J (bass).
In electrical engineering, computer science, statistical computing and bioinformatics, the Baum–Welch algorithm is used to find the unknown parameters of a hidden Markov model (HMM).
Baumholder is a town in the Birkenfeld district in Rhineland-Palatinate, Germany, in the Westrich, an historic region that encompasses areas in both Germany and France.
Bausch + Lomb, an American company founded in Rochester, New York, is one of the world's largest suppliers of eye health products, including contact lenses, lens care products, medicines and implants for eye diseases.
The Baul (Bengali: বাউল) are a group of mystic minstrels from Bengal which includes Indian State of West Bengal and the country of Bangladesh.
The Bauhaus Universität is a university located in Weimar, Germany and specializes in the artistic and technical fields.
Bauer Media Group is a European-based media company, headquartered in Hamburg, Germany that manages a portfolio of more than 600 magazines, over 400 digital products and 50 radio and TV stations around the world.