Allen "Al" Miller (born 28 April 1907 and died 18 August 1967) was an American racing driver who raced in the Indianapolis 500 13 times, with a highest finishing position of 6th in 1934. He is one of only three drivers to race in the Indianapolis 500 with a prosthetic leg. He unsuccessfully attempted to qualify for the 1950 Indianapolis 500.
He was the younger brother of Bruce Miller, who was killed in a racing accident in 1928. Having lost his leg in a motorcycle accident, he began racing cars in the 1930s.