General Rodolfo Fierro (1885 – 14 October 1915) was a railway worker, railway superintendent, federal soldier and a major general in the army of Pancho Villa during the Mexican Revolution in the . Fierro and his counterpart and fellow lieutenant, Tomas Urbina, have been cited as the two halves of Pancho Villa, Fierro representing his malicious side. It is believed Fierro met Pancho Villa in 1913 following the Madero revolution. Originating from Sinaloa, Fierro was a former federal officer having taken part in fighting against the Yaqui Indians. Following his role as a federal officer, Fierro went on to work as a railway man, eventually being absorbed into Villa's ranks.