1938 South Australian Grand Prix

The 1938 South Australian Grand Prix was a motor race staged at the Lobethal Circuit in South Australia, Australia on 3 January 1938. It was held over 12 laps, a total distance of 100 miles. The race, which was the second South Australian Grand Prix, was contested on a handicap basis with the first car starting 30 minutes before the "Scratch" car.

The race was won by South Australian Noel Campbell driving a Singer Bantam.