The forest giant squirrel (Protoxerus stangeri) or Stanger's squirrel is a species of rodent in the family Sciuridae found in Angola, Benin, Burundi, Cameroon, the Central African Republic, the Republic of the Congo, the Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Kenya, Liberia, Nigeria, Rwanda, Sierra Leone, Tanzania, Togo, and Uganda.

Its natural habitats are subtropical or tropical moist lowland forests and plantations.

The brownish hairs on the top of the head and on the nape are tipped with white giving a frosted appearance.

The fur is short and stiff; the upper parts are medium brown grizzled with buff or yellow, the individual hairs having black bases, yellow or buff shafts and black tips.

[3] The forest giant squirrel is native to tropical western and central Africa.

It forages primarily for the fruits and seeds of trees and lianas; it can crack open the tough nuts of Panda oleosa, Coula edulis, Klainedoxa gabonensis, Elaeis, and Irvingia spp..