Sanjay National Park (Guru Ghasidas National Park) is a national park in Koriya district of Chhattisgarh and Sidhi, Singrauli districts of Madhya Pradesh state, India. It covers an area of 466.657 km2 (180.177 sq mi) and is a part of the Sanjay-Dubri Tiger Reserve. It is located in the Narmada Valley dry deciduous forests ecoregion.