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 (TV series), an upcoming television miniseries 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

• Amade (name)
• Amadea (disambiguation)
• Amadee (disambiguation)
• Amadeo (disambiguation)
• Amadeu (given name)
• Amédée (disambiguation)
• Amedeo (disambiguation)
• All pages with titles beginning with Amadeus
• All pages with titles containing Amadeus