Petru Giovacchini (1 February 1910 - 29 September 1955) was a Corsican activist, born in Canale-di-Verde to an old noble Corsican family with deep-rooted pro-Italian feelings.
Giovacchini was the most renowned of the Corsican Italians, who actively promoted the unification of Corsica to the Kingdom of Italy during the Fascist years.