Gran Alegria (Japanese: グランアレグリア, foaled 24 January 2016) is a Japanese Thoroughbred racehorse. After winning a minor race on her debut in 2018 she won the Saudi Arabia Royal Cup before running third in the Asahi Hai Futurity Stakes. On her first appearance as a three-year-old she won the Oka Sho. In 2020 and 2021 she was the dominator in sprinter and mile races in Japan, whilst also challenged mid-distance races in between. She won the Yasuda Kinen, Sprinters Stakes, Victoria Mile and Mile Championship, with the latter one winning twice.