The following is a list of ecoregions in Russia, according to the Worldwide Fund for Nature (WWF):

Terrestrial

Temperate broadleaf and mixed forests

• Caucasus mixed forests (Armenia, Azerbaijan, Georgia, Russia, Turkey)
• Central European mixed forests (Austria, Belarus, Czech Republic, Germany, Lithuania, Moldova, Poland, Romania, Russia, Ukraine)
• Crimean Submediterranean forest complex (Russia, Ukraine)
• East European forest steppe (Bulgaria, Moldova, Romania, Russia, Ukraine)
• Manchurian mixed forests (China, Russia, North Korea, South Korea)
• Sarmatic mixed forests (Belarus, Estonia, Finland, Latvia, Lithuania, Norway, Russia, Sweden)
• South Sakhalin-Kurile mixed forests (Russia)
• Ussuri broadleaf and mixed forests (Russia)
• West Siberian broadleaf and mixed forests (Russia)

Temperate coniferous forests

• Altai montane forest and forest steppe (China, Kazakhstan, Mongolia, Russia)
• Da Hinggan-Dzhagdy Mountains conifer forests (China, Russia)
• Sayan montane conifer forests (Mongolia, Russia)

Boreal forests/taiga

• East Siberian taiga (Russia)
• Kamchatka-Kurile meadows and sparse forests (Russia)
• Kamchatka-Kurile taiga (Russia)
• Northeast Siberian taiga (Russia)
• Okhotsk-Manchurian taiga (Russia)
• Sakhalin Island taiga (Russia)
• Scandinavian and Russian taiga (Finland, Norway, Russia, Sweden)
• Trans-Baikal conifer forests (Mongolia, Russia)
• Urals montane tundra and taiga (Russia)
• West Siberian taiga (Russia)

Temperate grasslands, savannas and shrublands

• Daurian forest steppe (China, Mongolia, Russia)
• Kazakh forest steppe (Kazakhstan, Russia)
• Kazakh steppe (Kazakhstan, Russia)
• Mongolian-Manchurian grassland (China, Mongolia, Russia)
• Pontic steppe (Moldova, Romania, Russia, Ukraine)
• Sayan Intermontane steppe (Russia)
• Selenge-Orkhon forest steppe (Mongolia, Russia)
• South Siberian forest steppe (Russia)

Flooded grasslands and savannas

• Amur meadow steppe (China, Russia)
• Suiphun-Khanka meadows and forest meadows (Russia, China)

Montane grasslands and shrublands

• Altai alpine meadow and tundra (China, Kazakhstan, Mongolia, Russia)
• Sayan alpine meadows and tundra (Mongolia, Russia)

Tundra

• Arctic desert (Russia, Norway)
• Bering tundra (Russia)
• Cherskii-Kolyma mountain tundra (Russia)
• Chukchi Peninsula tundra (Russia)
• Kamchatka Mountain tundra and forest tundra (Russia)
• Kola Peninsula tundra (Norway, Russia)
• Northeast Siberian coastal tundra (Russia)
• Northwest Russian-Novaya Zemlya tundra (Russia)
• Novosibirsk Islands arctic desert (Russia)
• Taimyr-Central Siberian tundra (Russia)
• Trans-Baikal Bald Mountain tundra (Russia)
• Wrangel Island arctic desert (Russia)
• Yamalagydanskaja tundra (Russia)

Deserts and xeric shrublands

• Caspian lowland desert (Iran, Kazakhstan, Russia, Turkmenistan)
• Great Lakes Basin desert steppe (Mongolia, Russia)

Freshwater

Marine

(by realm and province)

Arctic realm

(no provinces identified)

• Beaufort Sea-continental coast and shelf
• Chukchi Sea
• Eastern Bering Sea
• East Siberian Sea
• Laptev Sea
• Kara Sea
• North and East Barents Sea
• White Sea

Temperate Northern Atlantic

Northern European Seas

• Northern Norway and Finnmark
• Baltic Sea

Temperate Northern Pacific

Cold Temperate Northwest Pacific

• Sea of Okhotsk
• Kamchatka Shelf and Coast
• Northern Honshu
• Sea of Japan

Cold Temperate Northeast Pacific

• Aleutian Islands