Ouija Board (3 March 2001 – 29 November 2022) was a British Thoroughbred racehorse. She was owned by Edward Stanley, 19th Earl of Derby, and trained by Ed Dunlop and Chris Hinson. In a career spanning four seasons, she won 10 of her 22 races, seven of them Group 1s, including the Oaks in 2004 and the Hong Kong Vase in 2005, while amassing over £3 million in prize money. In 2004, she won the Breeders' Cup Filly & Mare Turf and came second to Intercontinental the following year. In 2006, she regained her crown, becoming the second horse to win Breeders' Cup races in non-consecutive years.