The Battle of Cardadeu on 16 December 1808 saw an Imperial French corps led by Laurent Gouvion Saint-Cyr assault a Spanish force commanded by Juan Miguel de Vives y Feliu and Theodor von Reding. Saint-Cyr won the engagement by forming most of his troops into gigantic attack columns and smashing through the Spanish lines. Cardedeu is located 17 kilometres (11 mi) northeast of Barcelona, Spain. The action occurred during the Peninsular War, part of the Napoleonic Wars.

Laurent de Gouvion Saint-Cyr, 1st Marquis of Gouvion-Saint-Cyr was a French military commander in the French Revolutionary and Napoleonic Wars who rose to the rank of Marshal of the Empire. He is regarded as Napoleon's finest commander in defensive warfare.