Giovanni Battista Re (born 30 January 1934) is an Italian cardinal of the Roman Catholic Church whose service has been primarily in the Roman Curia. He was elevated to the rank of cardinal in 2001. He was prefect of the Congregation for Bishops from 2000 to 2010. As the senior cardinal-bishop in attendance, he chaired the March 2013 papal conclave to elect Pope Benedict XVI's successor. Pope Francis approved his election as Dean of the College of Cardinals on 18 January 2020.