Don Augusto Torlonia, of the House of Torlonia, was an Italian nobleman and third Prince of Civitella-Cesi. Augusto received the title from his grandfather's younger brother, Alessandro Torlonia, 2nd Prince di Civitella-Cesi.
Augusto was born in Rome on 20 January 1855 and died in Borgo San Donnino on 17 April 1926. His father was Giulio, 2nd Duca di Poli e di Guadagolo and his mother was Donna Teresa dei Principi Chigi-Albani.[1]
Upon Augusto's death, the title passed to his brother, Marino Torlonia, 4th Prince of Civitella-Cesi.