Prince Louis Thomas of Savoy (German: Ludwig Thomas von Savoyen, Graf von Soissons; Italian: Luigi Tommaso di Savoia; 15 December 1657 β 14 August 1702) was a Count of Soissons and Prince of Savoy.
He was killed as Feldzeugmeister of the Imperial Army at the Siege of Landau at the start of the War of the Spanish Succession.
There was speculation that he was an illegitimate child of Louis XIV.