The 1954 12 Hours of Sebring (officially the Florida International 12-Hour Grand Prix of Endurance ) was a motor race for sports cars, staged on 7 March 1954 at the Sebring International Raceway, Florida, United States. It was the second race of the 1954 World Sportscar Championship and was the fourth 12 Hours of Sebring. The race was won by Bill Lloyd and Stirling Moss driving an Osca MT4 1450.