The Russian 9th Army was a World War I Russian field army that fought on the Eastern theatre of war.

Field management was established in August 1914. The unit fought on the Southwestern Front from August 1914 to December 1916 and then on the Romanian Front, until it was disbanded in 1918.^[1]

• 9 August 1914 – 18 April 1917 — General of Infantry Platon Lechitsky
• 18 April 1917 – 11 August 1917 — Lieutenant-General Gieorgij Stupin
• 11 August 1917 – 9 September 1917 — Lieutenant-General Vladimir Cheremisov
• 9 September 1917 – ? September 1917 — Lieutenant-General Julian Bielozor
• ? September 1917 – ? November 1917 — Lieutenant-General Anatolij Kiełczewskij

• List of Russian armies in World War I
• List of Imperial Russian Army formations and units

v t e Ground forces of the Russian Empire during World War I
Senior administration	Imperial Main Headquarters Stavka of the Supreme Commander Ministry of War
Fronts	Northwestern (to 1915, then: Northern and Western) Southwestern Romanian Caucasus
Field armies	Numbered 1 2 3 4 5 6 7 8 9 10 11 12 13 Dobruja Danube Caucasus Special
Army corps	Guards 1 2 Grenadier Army 1st – 9th 1 2 3 4 5 6 7 8 9 10th – 19th 10 11 12 13 14 15 16 17 18 19 20th – 29th 20 21 22 23 24 25 26 27 28 29 30th – 39th 30 31 32 33 34 35 36 37 38 39 40th – 50th 40 41 42 43 44 45 46 47 48 49 50 Caucasus 1 2 3 4 5 6 7 Terek-Kuban Siberian 1 2 3 4 5 6 7 Turkestan 1 2 Polish I II III Ukrainian 1 2 Volunteer Czechoslovak Romanian Armenian Georgian Serbian Cavalry Numbered 1 2 3 4 5 6 7 Caucasus Native 1 2 Guards Combined Miscellaneous Gendarmes Feldjäger Expeditionary