Pro Reds:
Left SRs
(1917–21)
Green Army
(1918–21)
Makhnovshchina
Kronstadt sailors
(1921)
Pro Whites:
Japan
(1918–22)
United Kingdom
(1918–20)
United States
France
Also:
Czechoslovakia
Greece
Kingdom of Serbia
(Kingdom of Yugoslavia after 1918)
Romania
Italy
China
Canada
(1918–19)
Australia
India
South Africa
Changed;
Germany
(1917–18; Weimar Republic 1919)
Austria-Hungary
(1917–18)
Ottoman Empire
(1917–18; Turkey 1920–21)
Freikorps
Collaborators:
Kingdom of Poland
Kingdom of Finland
(1918)
Kingdom of Lithuania
Belarus
Ukrainian State
Democratic Republic of Georgia
Landeswehr
Bermontians
Pro Reds:
Left SRs
(1917–21)
Green Army
(1918–21)
Makhnovshchina
(1918–21)
Kronstadt sailors
(1921)
Pro Whites:
Japan
(1918–22)
United Kingdom
(1918–20)
United States
(1918–20)
France
(1918–20)
Also:
Czechoslovakia
(1918–20)
Greece
Kingdom of Serbia
(Kingdom of Yugoslavia after 1918)
Romania
Italy
China
Canada
(1918–19)
Australia
(1918–19)
India
South Africa
Changed;
Germany
(1917–18; Weimar Republic 1919)
Austria-Hungary
(1917–18)
Ottoman Empire
(1917–18; Turkey 1920–21)
Freikorps
(1918–19)
Collaborators:
Kingdom of Poland
(1917–18)
Kingdom of Finland
(1918)
Kingdom of Lithuania
(1918)
Belarus
(1918–19)
Ukrainian State
(1918)
Democratic Republic of Georgia
(1918)
Landeswehr
(1918–20)
Bermontians
(1918–20)