At least four ships of the Argentine Navy have been named Piedra Buena or Piedrabuena :
, a steam corvette which was commissioned as the gunboat Paraná in 1874. She was renamed Piedrabuena in 1900 and re-rated as a transport. She was wrecked in 1926. , an launched in 1944 as USS Collett acquired in 1974 and renamed on commissioning in 1977. She was expended as a target in 1988. , an launched in 1954 and scrapped in 1972. , a Kership-class corvette launched in 2020.