The 1951 VFL Lightning Premiership was an Australian rules football knockout competition played entirely on Wednesday, 9 May. It was played on the Jubilee Day holiday, held to celebrate 50 years of Federation of Australia, between rounds 3 and 4 of the Victorian Football League's 1951 season with all games played at the MCG. This was the fourth time a lightning premiership had been contested in the VFL, the first since 1943. It was contested by the 12 VFL teams who competed in the 1951 VFL season. A total of 25,882 people attended the competition. Collingwood won its second Lighting Premiership competition defeating Melbourne in the final by 6 points.
|- ! Home team ! Home team score ! Away team ! Away team score ! Ground ! Date |- bgcolor="#FFFFFF" | Carlton | 2.2 (14) | Footscray | 3.2 (20) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Hawthorn | 0.1 (1) | Melbourne | 0.4 (4) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Essendon | 1.5 (11) | Fitzroy | 0.2 (2) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Geelong | 3.3 (21) | St Kilda | 2.2 (14) | MCG | Wednesday, 9 May |- bgcolor="#CCCCFF" |colspan=6 align="center"|Bye: Richmond, Collingwood, North Melbourne, South Melbourne
|- ! Home team ! Home team score ! Away team ! Away team score ! Ground ! Date |- bgcolor="#FFFFFF" | Richmond | 4.2 (26) | South Melbourne | 2.3 (15) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Collingwood | 2.1 (13) | North Melbourne | 0.3 (3) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Footscray | 0.0 (0) | Melbourne | 1.2 (8) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Essendon | 4.3 (27) | Geelong | 2.1 (13) | MCG | Wednesday, 9 May
|- ! Home team ! Home team score ! Away team ! Away team score ! Ground ! Date |- bgcolor="#FFFFFF" | Richmond | 2.2 (14) | Melbourne | 3.2 (20) | MCG | Wednesday, 9 May |- bgcolor="#FFFFFF" | Collingwood | 2.2 (14) | Essendon | 2.1 (13) | MCG | Wednesday, 9 May
|- ! Home team ! Home team score ! Away team ! Away team score ! Ground ! Date |- bgcolor="#FFFFFF" | Melbourne | 1.0 (6) | Collingwood | 2.0 (12) | MCG | Wednesday, 9 May