Renato Raffaele Martino was an Italian prelate of the Roman Catholic Church. Created a cardinal in 2003, Martino became the longest serving cardinal deacon, the cardinal protodeacon, from June 2014. He served for more than twenty years in the diplomatic service of the Holy See, including sixteen years as Permanent Observer of the Holy See to the United Nations. He held positions in the Roman Curia from 2002 to 2009.
