The 1983 Giro d'Italia was the 66th running of the Giro. It started in Brescia, on 12 May, with an 8 km (5.0 mi) prologue and concluded in Udine, on 5 June, with a 40 km (24.9 mi) individual time trial. A total of 162 riders from eighteen teams entered the 22-stage race, that was won by Italian Giuseppe Saronni of the Del Tongo-Colnago team. The second and third places were taken by Italian Roberto Visentini and Spaniard Alberto Fernández, respectively.

Giuseppe Saronni, also known as Beppe Saronni, is an Italian former racing cyclist. He had remarkable success riding in the Giro d'Italia. In 1980 he won 7 stages and finished 7th overall; in 1981 he won 3 stages and finished 3rd overall. In 1979 and 1983 he won the Giro d'Italia and all total for his career win 24 stages in this race.