Saint Robert Bellarmine, S.J. (Italian:Roberto Francesco Romolo Bellarmino; 4 October 1542 – 17 September 1621) was an Italian Jesuit and a Cardinal of the Catholic Church. He was one of the most important figures in the Counter-Reformation.

He was a professor of theology and later rector of the Roman College, and in 1602 became archbishop of Capua. Bellarmine supported the reform decrees of the Council of Trent.