Belle Genius (5 April 1992 – after 2010) was an American-bred, Irish-trained Thoroughbred racehorse and broodmare. Bought for only $8,500 as a yearling, she was matched against high-class opposition from the start of her track career. After finishing fifth in the Chesham Stakes and the Cherry Hinton Stakes she won a minor event at Thirsk before recording her biggest win in the Group 1 Moyglare Stud Stakes. She went on to finish fourth in the Breeders' Cup Juvenile Fillies but was then sent to Dubai and finished unplaced on her only subsequent start. After her retirement from racing she became a broodmare and had some success as a dam of winners. Her last recorded foal was born in 2009.