Domenico Agostini was an Italian Roman Catholic Cardinal and Patriarch of Venice (May 31, 1825 — December 31, 1891). Born near Treviso, he studied in the local seminary, then in the University of Padua. He took a doctorate of philosophy and law, but he left the clerical state to join the citizen militia during the war with Austria in the period 1848-1850. He received the minor orders in 1850, after rejoining the clerical state. Cardinal Agostini died on New Year's Eve, 1891.