Lucky Lilac (Japanese: ラッキーライラック, foaled 3 April 2015) is a Japanese Thoroughbred racehorse. As a two-year-old in 2017 she was undefeated in three races including the Artemis Stakes and Hanshin Juvenile Fillies and took the JRA Award for Best Two-Year-Old Filly. In the following year she won the Tulip Sho and was placed in both the Oka Sho and the Yushun Himba. In 2019 she won the Queen Elizabeth II Cup and finished second in the Hong Kong Vase. As a five-year-old in 2020 she defeated male opponents to win the Osaka Hai and recorded a second victory in the Queen Elizabeth II Cup. She has earned more than $7 million in prize money.