Orlando Fedeli (São Paulo, 7 February 1933 - São Paulo, 9 June 2010) was a Brazilian Traditionalist Catholic historian, teacher and political activist. He was the founder and president of the Montfort Cultural Association, in 1983.
He published four books, Nos Labirintos de Eco (2005), his interpretation of Umberto Eco's novel The Name of the Rose, Carta a Um Padre (2007), where he strongly criticizes the Vatican Council II, Antropoteísmo: a Religião do Homem (2011), concerning esoterism during universal History, and No País das Maravilhas: a Gnose Burlesca da TFP e dos Arautos do Evangelho (2012), where he accuses TFP and the Heralds of the Gospel of being esoteric cults.[2]