1966 Giro d'Italia

The 1966 Giro d'Italia was the 49th running of the Giro d'Italia, one of cycling's Grand Tour races. The Giro started in Monaco's Monte Carlo, on 18 May, with a 149 km (92.6 mi) stage and concluded in Trieste, on 8 June, with a 172 km (106.9 mi) leg. A total of 100 riders from 13 teams entered the 22-stage race, which was won by Italian Gianni Motta of the Molteni team. The second and third places were taken by Italian Italo Zilioli and Frenchman Jacques Anquetil, respectively.

The points classification was introduced in this edition.