Abtao may refer to: * Abtao Island, a Chilean island *

Battle of Abtao The Battle of Abtao was a naval action fought on February 7, 1866, during the Chincha Islands War, between a Spanish squadron and a combined Peruvian-Chilean fleet, at the island of Abtao in the Gulf of Ancud near Chiloé Archipelago in sout ...

, an 1866 naval battle between Spain and the allied Peru and Chile * ''Abtao''-class submarine, a Peruvian Navy submarine class * BAP ''Abtao'', Peruvian submarine of the ''Abtao'' class and a museum ship * Chilean corvette ''Abtao'', a Chilean Navy corvette

See also