The following is a list of ecoregions in Benin, according to the Worldwide Fund for Nature (WWF).
Terrestrial ecoregions
Tropical and subtropical moist broadleaf forests
Eastern Guinean forests Nigerian lowland forests
Tropical and subtropical grasslands, savannas, and shrublands
Guinean forest–savanna mosaic West Sudanian savanna
Freshwater ecoregions
Nilo-Sudan
Bight Coastal Lower Niger-Benue
Marine ecoregions
Gulf of Guinea