Amadeus

Amadeus most often refers to:
 * Wolfgang Amadeus Mozart (1756–1791), prolific and influential composer of classical music
 * Amadeus (name), a given name and people with the name
 * Amadeus (play), 1979 stage play by Peter Shaffer
 * Amadeus (film), 1984 film based on the play

Amadeus may also refer to:
 * Amadeus (presenter) (1962), an Italian television and radio presenter
 * Amadeus Quartet, a former English string ensemble
 * Amadeus, a database of financial and business information on European firms, developed by Bureau van Dijk
 * Amadeus CRS, a computer reservation system used by airlines and travel agencies
 * Amadeus IT Group, a travel and tourism industry transaction processor and owner of Amadeus CRS
 * Amadeus Basin, a sedimentary basin in Australia
 * Amadeus Press, publishing house, imprint of Rowman & Littlefield
 * Amadeus (airline), former German airline