The 1963 Formula One season was the 17th season of FIA Formula One motor racing. It featured the 14th World Championship of Drivers, the 6th International Cup for F1 Manufacturers, and numerous non-championship Formula One races. The World Championship was contested over ten races between 26 May and 28 December 1963.

James Clark OBE was a British racing driver from Scotland who won two Formula One World Championships in 1963 and 1965. A versatile driver, he competed in sports cars, touring cars, and in the Indianapolis 500, which he won in 1965. He was particularly associated with Team Lotus, driving for the team his entire Formula One career between 1960 and 1968.