Ecoregions of Guinea are the Western Guinean lowland forests, Guinean montane forests, Guinean forest–savanna mosaic, West Sudanian savanna, and Guinean mangroves.
The ecoregion areas in Guinea encompass the Western Guinean lowland forests, Guinean montane forests, a mix of forest and savanna ecosystems, the West Sudanian savanna, and the Guinean mangrove regions.