The 1943 VFL Lightning Premiership was an Australian rules football knockout competition played entirely on Saturday 24, July. It was played during a weeks break of the Victorian Football Leagues's 1943 VFL season between rounds 11 and 12 with all games being played at Princes Park. The competition was played as a wartime charities fundraiser between the league's top four clubs. This was the third time a lightning premiership had been contested in the VFL. Approximately 11,000 people attended the three match competition. Essendon won the competition by 8 points, defeating Fitzroy in the final.