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.
, later renamed Marquês de Caxias.
, of the Imperial Brazilian Navy. (1883–1910) , cancelled project. (1914) , a , used in World War II by the U.S. Navy, before being incorporated into the Brazilian Navy. (1943–1968) , an , currently serving as a museum. (1977–1997) , a . (2018–present)
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