The following is a list of ecoregions in Argentina defined by the World Wide Fund for Nature (WWF).
Temperate broadleaf and mixed forests Magellanic subpolar forests Valdivian temperate forests
Temperate grasslands, savannas, and shrublands Argentine Espinal Argentine Monte Humid Pampas Patagonian grasslands Patagonian steppe Semi-arid Pampas
Tropical and subtropical dry broadleaf forests Dry Chaco
Montane grasslands and shrublands Central Andean dry puna Central Andean puna High Monte Southern Andean steppe
Tropical and subtropical grasslands, savannas, and shrublands Arid Chaco Córdoba montane savanna Humid Chaco
Tropical and subtropical moist broadleaf forests Alto Paraná Atlantic forests Araucaria moist forests Southern Andean Yungas
Flooded grasslands and savannas Paraná flooded savanna Southern Cone Mesopotamian savanna