The 1955 Gran Premio del Valentino was a non-championship Formula One motor race held on 27 March 1955 at the Parco del Valentino in Turin.

The Grand Prix was won by Alberto Ascari driving a Lancia D50; Ascari also set pole position.

Roberto Mieres in a Maserati 250F finished second and Luigi Villoresi in a Lancia D50 was third.

Maserati driver Jean Behra set fastest lap.

[1][2] This was the last motor race to be held at the Parco del Valentino.