Federico Caccia (10 June 1635 – 14 January 1699) was an Italian diplomat, Cardinal, and Archbishop of Milan from 1693 to 1699.

Orphaned early in childhood, he studied under the Jesuits in the College of Brera in Milan and later he was admitted at the Collegio Borromeo.

He earned a doctorate in utroque iure at the University of Pavia and took up a career as lawyer in Milan.

[4] The day after he left Rome as Nuncio to the Kingdom of Spain, where he succeeded to gain the confidence of Charles II.

[1] He was able to keep such good relations with the Spanish government that he was appointed by Charles II of Spain as temporary governor of the Duchy of Milan in 1697.