Carlos Aguiar Retes (Spanish pronunciation: ['ka?los a'?ja? 'retes]; born 9 January 1950) is a cardinal of the Roman Catholic Church.
He was the Archbishop of Tlalnepantla, and before that served as the Bishop of Texcoco.
He was elevated to the rank of Cardinal on 19 November 2016.
He was appointed Archbishop of Mexico City on 7 December 2017 and installed on 5 February 2018.
He has served as an officer of the Mexican Episcopal Conference and the Latin American Episcopal Conference (CELAM) and been president of both.
He helped draft the landmark mission statement CELAM issued at the close of its 2007 conference in Aparecida.
He has been called a "longtime ally" of Pope Francis who combines "intellectual finesse with a pastoral passion".In addition to Spanish, Aguiar is fluent in Italian, English, French and German.