Silvano Vigni (born 7 August 1954 in Monteroni d'Arbia, Italy, known as Bastiano) is a retired Italian Palio jockey, and one of the most notorious competitors in Il Palio Di Siena in the 20th century with a strong rivalry with another rider, Andrea Degortes (known as Aceto). Silvano won 5 Palios between 1978 and 1990.