Miguel Buiza Fernández-Palacios (1898 – 1963) was a Spanish Navy officer best known for being the commander of the Spanish Republican Navy during the Spanish Civil War.
He died in exile in Marseille in 1963.Miguel Buiza is often referred to as an admiral, owing to his high-profile role leading the Spanish Republican Armada, but there are sources that claim that he never rose above the rank of captain (Capitán de Navío)