Carlos José Ñáñez (August 9, 1946) is a prelate of the Roman Catholic Church. He served as auxiliary bishop of Córdoba from 1990 till 1995, when he became coadjutor archbishop of Tucumán. In 1998 he was appointed archbishop of Córdoba.
Born in Córdoba, Ñáñez was ordained to the priesthood on July 17, 1971.
On December 12, 1990, he was appointed auxiliary bishop of Córdoba and titular bishop of Lete. Ñáñez received his episcopal consecration on January 24, 1991 from Raúl Francisco Cardinal Primatesta, archbishop of Córdoba, with the apostolic nuncio to Argentina, archbishop Ubaldo Calabresi, and the bishop of Río Cuarto, Adolfo Roque Esteban Arana, serving as co-consecrators.
On December 20, 1995, he was appointed coadjutor archbishop of Tucumán, where he was installed on the February 2, 1996. Two years later, on November 17, 1998, he was appointed archbishop of Córdoba, and he was installed on March 12, 1999.
As a bishop he was principal consecrator of bishop José Ángel Rovai.
On Tuesday, July 22, 2014, according to the official Daily Bulletin of the Holy See Press Office for the day (which lists papal appointments and resignations, as part of the Vatican's web site), Pope Francis appointed Archbishop Ñáñez to a five-year-long, renewable term as a Member of the Pontifical Council for Promoting Christian Unity.