The W of the Niger National Park (French: "W" du Niger) is a major park in West Africa around a meander in the River Niger which forms a "W" shape. The national park extends through areas of Niger, Benin and Burkina Faso, its 10,000km² being almost uninhabited.

The park is known for its large mammals, including aardvarks, baboons, buffalo, caracel , cheetahs, elephants, hippopotamuses, leopards, lions, serval and warthogs.