Giacinto Gaggia (8 October 1847 - 15 April 1933) was an ItalianRoman Catholic prelate who served as the Bishop of Brescia from 1913 until his death. Ordained in Rome in 1870, he was consecrated to the episcopate in 1909 and made an archbishop in 1930. He ordained Giovanni Battista Montini (the future Pope Paul VI) to the priesthood in mid-1920.