Gaetano Belloni was an Italian professional road racing cyclist. The highlights of his career were his overall win in the 1920 Giro d'Italia, the two victories in Milan–San Remo, and the three victories in the Giro di Lombardia.

Milan–San Remo, also called "The Spring classic" or "La Classicissima", is an annual road cycling race between Milan and Sanremo, in Northwest Italy. With a distance of 298 km it is the longest professional one-day race in modern cycling. It is the first major classic race of the season, usually held on the third Saturday of March. The first edition was held in 1907.