Leontes, (Japanese: リオンディーズ, foaled 29 January 2013) is a Japanese Thoroughbred racehorse and sire. He was rated the best two-year-old in Japan in 2015 after winning a minor race on his debut and then taking the Grade 1 Asahi Hai Futurity Stakes on his second and final start of the year. In the following spring he finished second in the Yayoi Sho, fourth in the Satsuki Sho and fifth in the Tokyo Yushun before his track career was ended by injury.