Teknaf Wildlife Sanctuary is a protected area in the Cox's Bazar District of southern Bangladesh comprising a hill forest area of 11,615 ha (44.85 sq mi).

In the east it is bordered by the Naf River, and in the west by the Bay of Bengal.

[2] This is one of the few places in Bangladesh where Asian elephants can be seen in the wild.

The popular Toinga Peak has an elevation of about 1000 feet.

It spreads in 5 Unions of Teknaf Upazila of Cox's Bazar district; these Unions are: Baharchara, Hnila, Subran, Teknaf and Whykheong.