ABB is a Swedish-Swiss high-tech engineering multinational corporation.
ABB or Abb may also refer to:
Businesses and organizations ABB, a Swedish-Swiss engineering corporation ABB Grain, an Australian agribusiness Azərbaycan Beynaxalq Bankı, the International Bank of Azerbaijan African Blood Brotherhood, a former radical black liberation group in the US Alex Boncayao Brigade, a Filipino communist death squad Aussie Broadband
People with the surname Gustav Abb (1886–1945), German librarian
Transport infrastructure RAF Abingdon (former IATA code "ABB") Akron and Barberton Belt Railroad (reporting mark ABB) Asaba International Airport in Delta State, Nigeria (IATA airport code ABB)
Other uses The Allman Brothers Band, an American rock band Bankon language, a Bantu language of Cameroon (ISO 639-3 code "abb") αΒΒ, a deterministic global optimization algorithm Æbbe of Coldingham, an English saint known as Abb Archives of Biochemistry and Biophysics, a peer-reviewed scientific periodical Activity Based Budgeting ABB (banana), a clade of banana