The 2nd Manchurian Army (Russian: 2-й Маньчжурская армия / 2 МА) was a field army of the Russian Empire that was established in 1904 during the Russo-Japanese War, to operate in Manchuria against Japan.

[1] The 2nd Manchurian Army was created in September 1904 under command of Lieutenant general Oskar Gripenberg.

It counted 120 battalions, 79 squadrons, 439 guns, and a total of 81,799 men.

[2] On February 12, 1905, General Alexander von Kaulbars took over command of the army.

[3] The 2nd Manchurian Army consisted of the following units :[4] The formation was commanded by :[1]