Pietro Ghersi (24 January 1899 – 1 August 1972)[1] was an Italian motorcycle racer and, from 1927, also a racecar driver.
With his brother Mario Ghersi and Luigi Arcangeli he biked in the 1926 Isle of Man TT and 1930 Isle of Man TT in Moto Guzzi.
Racing cars, he won the Spa 24 Hours 1930 with Attilio Marinoni in an Alfa Romeo 6C.
In 1932 Ghersi was in the Mille Miglia and XXII Targa Florio in an Alfa Romeo 8C 2300.
In 1933, with himself as the only driver, he formed the Pietro Ghersi Racing Team based in Genova, using a 2.3-liter Bugatti Type 35, a 1.1-liter Maserati monoposto, and a 2.3-liter Alfa Romeo.