Tags: Motorcycle Rider, Motorsport Racer.
Guido Leoni (July 14 1915 – May 6 1951) was an Italian Grand Prix motorcycle road racer. He won the 1951 125cc Spanish Grand Prix riding for the Mondial factory racing team. One month later while competing in a race in Ferrara Leoni was involved in a multiple-bike accident and was killed. He was posthumously awarded fifth place in the 1951 125cc world championship.