Sonanadi Wildlife Sanctuary is a protected area in the Pauri Garhwal district of Uttarakhand, India. Established in 1987, it encompasses an area of 301.18 kmò and serves as a vital component of the Corbett Tiger Reserve. The sanctuary is named after the Sonanadi River (meaning "River of Gold"), which flows through the sanctuary.
The sanctuary is located between Jim Corbett National Park and Rajaji National Park, forming a critical ecological corridor between the National parks. The vegetation is dominated by dense sal (Shorea robusta) forests, bamboo clusters, and riverine grasslands.
Sonanadi has a high density of Asian elephants and Bengal tigers. Other species include mammals such as Leopard, Sloth bear, Sambar deer, and Cheetal. It is an Important Bird Area (IBA), it hosts over 600 species, including the Great hornbill and various raptors.