Blow to the Heart (Italian: Colpire al cuore) is a 1982 Italian drama film directed by Gianni Amelio. The film entered the competition at the 39th Venice Film Festival. Fausto Rossi won a Silver Ribbon and a David di Donatello as best new actor.

The film also won the Silver Ribbon for best script. It was described as a "masterful psychological study investigating two profoundly different characters". A teenage son of a university professor discovers his father's secret life and begins keeping his father under surveillance after one of his father's friends dies in a terrorist shoot-out.