Thomas Francis of Savoy, Prince of Carignano (, ; 21 December 1596 – 22 January 1656) was an Italian military commander, the founder of the
Savoy-Carignano branch of the
House of Savoy which reigned as kings of Sardinia from 1831 to 1861, and as kings of Italy from 1861 until the dynasty's deposition in 1946.