Aldo Cavalli (born 18 October 1946) is an Italian prelate of the Catholic Church who joined the diplomatic service of the Holy See in 1979 and served as an apostolic nuncio from 1996 to 2021.

Cavalli joined the diplomatic service of the Holy See on 15 April 1979 and fulfilled assignments in Burundi, Angola and São Tomé and Príncipe, Chile, Colombia, Libya, and Malta.

[1] On 28 June 2001, Pope John Paul II named him Apostolic Nuncio to Chile.

[3] In April 2011, he spoke out against proposed legislation in Colombia to legalize the adoption of children by same-sex couples.

[8][9] On 3 July 2015 he presented his credentials as Ambassador Extraordinary and Plenipotentiary to the Organisation for the Prohibition of Chemical Weapons.