Luigi Gaspare Peyri or Louis Gaspard Balthazar Pierre Léon Marie Peyri (1758 – 1822) became a general officer in the army of the Kingdom of Italy which was a satellite of Napoleon's First French Empire. He led Italians, Swiss, and Poles in a number of important actions in the War of the Fourth Coalition, the War of the Fifth Coalition, and the Peninsular War.