title: Brazilian ship Riachuelo
text: # Brazilian ship Riachuelo
  
  Seven ships of the Brazilian Navy have been named Riachuelo after the main naval battle fought by the Empire of Brazil in the Paraguayan War.
  
  * Brazilian yacht Riachuelo
  * Brazilian steamboat Riachuelo, later renamed Marquês de Caxias.
  * Brazilian flat-bottomed boat Riachuelo
  * Brazilian battleship Riachuelo, of the Imperial Brazilian Navy. (1883–1910)
  * Brazilian battleship Riachuelo (1914), cancelled project. (1914)
  * Brazilian submarine Riachuelo (S15), a Gato-class submarine, used in World War II by the U.S. Navy, before being incorporated into the Brazilian Navy. (1943–1968)
  * Brazilian submarine Riachuelo (S22), an Oberon-class submarine, currently serving as a museum. (1977–1997)
  * Brazilian submarine Riachuelo (S40), a Riachuelo-class submarine. (2018–present)
  