Pietro Ameglio (born 1957) is a Uruguayan-born naturalized Mexican citizen and Gandhian civil rights and peace activist best known for his role in promoting nonviolence and creating a movement for peace and anti-militarism in Mexico. In May 2011, Ameglio helped to organize demonstrations in support of survivor and victim rights related to ongoing violence in Mexico following the death of Juan Francisco Sicilia Ortega, the son of Javier Sicilia, bringing hundreds of thousands of people together across Mexico and in 17 countries around the world.