Beau Genius (foaled May 20, 1985) is a Canadian Thoroughbred racehorse. Bred at Sovereign Farm by owners Joseph Shiewitz and Dr. Brian Davidson, he was sired by Bold Ruckus, one of the leading sires in Canada who was a grandson of the extremely important North American Champion sire, Bold Ruler. The dam of Beau Genius was Royal Colleen, a daughter of Northern Dancer's son, 1968 Canadian Horse of the Year, Viceregal.
Conditioned for racing by Gerry Belanger, at age two Beau Genius began his racing career from a base at Woodbine Racetrack in Toronto. He won the 1987 Display Stakes, notably defeating third-place finisher Regal Intention and was second to Regal Intention in the Kingarvie Stakes. As a three-year-old, Beau Genius hasd his best result with a win in the important Autumn Handicap then at four, racing for new trainer Gerald Bennett, he won Florida's Okeechobee Handicap and later at Thistledown Racecourse in Ohio, the Thistledown Breeders' Cup Sprint Handicap.
Competing at age five, Beau Genius had the best year of his racing career, winning on both fast and sloppy track surfaces. He won nine stakes races in 1990, beginning in January when Bill Shoemaker rode him to victory in the Hallendale Handicap at Gulfstream Park. The win was the last of the U.S. Racing Hall of Fame inductee's illustrious career as a jockey. Among his other 1990 wins, Beau Genius handily defeated Black Tie Affair to capture the Isaac Murphy Handicap at Arlington Park and beat Opening Verse in winning the Michigan Mile And One-Eighth Handicap and won the Grade I Philip H. Iselin Handicap at Monmouth Park.