The 2nd Steppe Siberian Corps () was an infantry corps of the White Guard's Siberian Army during the Russian Civil War. It was formed on 12 June 1918, by Polkovnik Pavel Ivanov-Rinov in Omsk.
On 3 January 1919, a 3rd Steppe Siberian Army Corps under A' Thomas command was formed by separating the 3rd and 4th Rifle Divisions from the 2nd Steppe Siberian Corps.