Gallant Sir (foaled 1929) was an American Thoroughbred racehorse bred by renowned horseman Arthur B. Hancock at his Claiborne Farm in Paris, Kentucky.
His dam, Sun Spot, was a daughter of Omar Khayyam, the 1917 Kentucky Derby winner and Co-Champion 3-Yr-Old Colt.
In the 1932 Kentucky Derby, Gallant Sir was ridden by Hall of Fame jockey George Woolf but was never in the race.
He broke from the 19th spot and finished eighth, more than a dozen lengths behind winner Burgoo King.
After that, though, the colt began to win consistently and by 1933 he won eleven straight races in the American midwest until finishing second to Equipoise in the Hawthorne Gold Cup Handicap.