Gentildonna (ジェンティルドンナ, Jentirudonna) is a retired Japanese thoroughbred racehorse. In 2012 she won the Japanese Fillies Triple Crown and was voted Japanese Horse of the Year. She was also the first three-year-old filly to win the Japan Cup, in 2012, and the following year became the first two-time winner of that race. In 2014 she added victories in the Dubai Sheema Classic and the Arima Kinen earning her a second Horse of the Year award.