List of ecoregions in Iran

The following is a list of ecoregions in Iran as identified by the World Wide Fund for Nature (WWF).

Terrestrial ecoregions
Iran is in the Palearctic realm. Ecoregions are listed by biome.

Temperate broadleaf and mixed forests

 * Caspian Hyrcanian mixed forests
 * Zagros Mountains forest steppe

Temperate coniferous forests

 * Elburz Range forest steppe

Temperate grasslands, savannas, and shrublands

 * Eastern Anatolian montane steppe
 * Middle East steppe

Flooded grasslands and savannas

 * Tigris-Euphrates alluvial salt marsh

Montane grasslands and shrublands

 * Kopet Dag woodlands and forest steppe
 * Kuh Rud and Eastern Iran montane woodlands

Deserts and xeric shrublands

 * Arabian desert
 * Azerbaijan shrub desert and steppe
 * Badghyz and Karabil semi-desert
 * Baluchistan xeric woodlands
 * Caspian lowland desert
 * Central Persian desert basins
 * Kopet Dag semi-desert
 * Mesopotamian shrub desert
 * Registan–North Pakistan sandy desert
 * South Iran Nubo-Sindian desert and semi-desert

Freshwater ecoregions

 * Baluchistan
 * Caspian Highlands
 * Esfahan
 * Helmand-Sistan
 * Kavir and Lut Deserts
 * Kura-South Caspian Drainages
 * Namak
 * Northern Hormuz Drainages
 * Orumiyeh
 * Lower Tigris and Euphrates
 * Upper Tigris and Euphrates
 * Turan Plain
 * Upper Amu Darya