Several ships of the Argentine Navy ((in Spanish) Armada de la República Argentina) have been named Buenos Aires, with or without the prefix "ARA", after the Argentine province of that name.
- ARA Buenos Aires (1895), a protected cruiser in service from 1896 to 1932.
- ARA Buenos Aires (D-6), a Buenos Aires-class destroyer in service from 1938 to 1971.
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.