This is a list of ecoregions of Guatemala as defined by the World Wildlife Fund and the Freshwater Ecoregions of the World database.
Terrestrial ecoregions
Tropical and subtropical moist broadleaf forests
Central American Atlantic moist forests
Central American montane forests
Chiapas montane forests
Petén–Veracruz moist forests
Sierra Madre de Chiapas moist forests
Yucatán moist forests
Tropical and subtropical dry broadleaf forests
Central American dry forests
Chiapas Depression dry forests
Tropical and subtropical coniferous forests
Central American pine-oak forests
Deserts and xeric shrublands
Motagua Valley thornscrub
Mangroves
Belizean Coast mangroves
Northern Honduras mangroves
Northern Dry Pacific Coast mangroves
Freshwater ecoregions
Tropical and subtropical coastal rivers
Grijalva - Usumacinta
Quintana Roo - Motagua
Chiapas - Fonseca
Tropical and subtropical upland rivers
Upper Usumacinta
Marine ecoregions
Tropical Northwestern Atlantic
Western Caribbean (includes the Mesoamerican Barrier Reef)