The 1990 Giro d'Italia was the 73rd edition of the race. It started off in Bari on May 18 with a 13 km (8.1 mi) individual time trial. The race came to a close with a mass-start stage that began and ended in Milan on June 6. Twenty-two teams entered the race, which was won by the Italian Gianni Bugno of the Château d'Ax–Salotti team. Second and third respectively were the Frenchman Charly Mottet and the Italian rider, Marco Giovannetti. Bugno wore the pink jersey as leader in the general classification from the first to the last stage.

Gianni Bugno is a retired Italian professional road racing cyclist.