Pedro Cayetano Fernández del Campo y Salvatierra, 2nd Marquis of Mejorada del Campo and la Breña (Madrid, 22 April 1656 - Madrid, 16 May 1721) was a Castilian statesman who held the post of Secretary of State and of the Universal Office (similar to Prime Minister), during the early years of the reign of Philip V of Spain.
[1][2] He was a son of Pedro Fernández del Campo y Angulo, 1st Marquis of Mejorada (also Secretary of State and of the Universal Office) and Teresa de Salvatierra y Blasco.
[1] In February 1705 the, Secretary of State and of the Universal Office, Antonio de Ubilla, was dismissed and he was appointed to replace him.
He occupied the secretariat with full powers until 11 July 1705, when at the request of French Ambassador Michel-Jean Amelot and the King's Valido Jean Orry, a part of his responsabilities were taken away and entrusted to the newly created Secretariat of War and Finance led by José de Grimaldo, leaving "everything else" under del Campo's responsibility (basically political and church issues).
Pedro Cayetano died on 16 May 1721 in the Palace of Dehesa de Viñuelas, owned by his wife.