Sembilang National Park is a national park covering 2,051 km² in east Sumatra, Indonesia. It comprises peat swamp forest, freshwater swamp forest and riparian forest. The park provides habitat for Sumatran tiger, Asian elephant, Malayan tapir, Siamang, Golden cat, Sambar deer, Saltwater crocodile, Sembilang fish, Giant freshwater turtle, Freshwater dolphin and many species of bird.