Laurent de Gouvion Saint-Cyr, French general and politician, French Minister of War (d. 1830)
Laurent de Gouvion Saint-Cyr, 1st Marquis of Gouvion-Saint-Cyr (French pronunciation: ​[loʁɑ̃ də ɡuvjɔ̃ sɛ̃ siʁ]; 13 April 1764 – 17 March 1830) 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.