Ján Chryzostom Korec, SJ (22 January 1924 – 24 October 2015) was a Slovak Jesuit Cardinal and Bishop Emeritus of the Diocese of Nitra. He served in the church from 1990 through 2005. He was in jail for eight years (1960-1968) because of his activism against Communism.
Korec was born in Bošany, Czechoslovakia. He died in Nitra, Slovakia at the age of 91.