King Rama IX Memorial Park is a 279-rai public park currently under construction in the Dusit district of Bangkok, Thailand. The project was initiated by King Vajiralongkorn to commemorate his father King Bhumibol Adulyadej and mother Queen Sirikit. The park occupies the former grounds of the Royal Turf Club of Thailand, also known as the Nang Loeng Racecourse, the land of which is owned by the Crown Property Bureau, and construction is expected to last until 2024.