Charles Felix (Italian: Carlo Felice Giuseppe Maria; 6 April 1765 – 27 April 1831) was the King of Sardinia and ruler of the Savoyard states from 12 March 1821 until his death in 1831. He was the last male-line member of the House of Savoy that started with Victor Amadeus I of Savoy, and caused the line of Victor Amadeus I's younger brother Thomas Francis, Prince of Carignano to seize the throne after Felix's death.

Charles Felix of Sardinia - Wikipedia