Basse Casamance National Park (), located near Oussouye in Ziguinchor, is one of six national parks in Senegal. It is currently closed.
The park was created in 1970.
It encompasses an area of .
The main biotopes are Guinean forests and savannah woodlands.
There are 200 species of birds and fifty species of mammals, including African forest buffalo, African leopard, Campbell's mona monkey, Prince Demidoff's bushbaby and western red colobus.
The site is located from Cap Skirring Airport.
Because of the Casamance conflict, the park, possibly contaminated with land mines, has been closed to visitors for several years.