The following is a list of ecoregions in Sudan, as identified by the Worldwide Fund for Nature (WWF).

Terrestrial ecoregions

by major habitat type

Tropical and subtropical moist broadleaf forests

• Ethiopian montane forests

Tropical and subtropical grasslands, savannas, and shrublands

• East Sudanian savanna
• Sahelian Acacia savanna

Montane grasslands and shrublands

• Ethiopian montane grasslands and woodlands

Deserts and xeric shrublands

• East Saharan montane xeric woodlands
• Ethiopian xeric grasslands and shrublands
• Red Sea coastal desert
• Sahara Desert
• South Saharan steppe and woodlands
• Tibesti-Jebel Uweinat montane xeric woodlands