José Antonio de Gaztañeta
José Antonio de Gaztañeta e Iturribalzaga (c. 1656–1728) was a Basque naval officer and ship designer born at Mutriku. He sailed with his father from the age of twelve and joined the navy in 1684.
In the War of the Spanish Succession he founded the El Astillero shipyard and later directed shipbuilding in the Basque Country. Commanding the fleet, he was defeated and captured by the British at Cape Passaro in 1718, but soon returned to service.
Promoted lieutenant-general in 1720, he led the treasure fleet through the blockade of Porto Bello in 1727. He died in Madrid the following year.