The Thoroughbred is a horse breed known for its use in horse racing.

Thoroughbred may also refer to:

• Thoroughbred (series), a series of young-adult novels that revolves around equestrianism
• The Thoroughbred (1916 film), an American silent drama film
• The Thoroughbred (1928 film), a British silent sports film
• The Thoroughbred (1930 film), an American sports drama film
• Thoroughbred (film), a 1936 Australian race-horse drama
• Thoroughbreds (1944 film), an American film
• Thoroughbreds (2017 film), an American film

• Thoroughbred (album), a 1976 album by Carole King, U.S.
• Louisville Thoroughbreds, a men's chorus based in Louisville, Kentucky, U.S.

• The Thoroughbred Corp. a California-based Thoroughbred horse racing and breeding operation
• Scone Thoroughbreds, an Australian country rugby league team based in Scone, New South Wales
• Atlanta Thoroughbreds, an American indoor football team
• Owensboro Thoroughbreds, an American basketball team
• Skidmore Thoroughbreds
• Thoroughbred racing
  • Thoroughbred Stakes, a horse race in Great Britain

• Thoroughbred, a microprocessor from the AMD Athlon series
• Thoroughbred (train), a passenger train of the Monon Railroad

• Purebred, the cultivated varieties or cultivars of an animal species, sometimes confused with thoroughbred