Königlich Bayerisches Reserve-Korps) was a corps level command of the Royal Bavarian Army, part of the German Army, in World War I.

[a] The Corps was formed on 1 September 1914 as the temporary Corps Eberhardt,[1] named for its commander General der Infanterie Magnus von Eberhardt, military governor of Strasbourg, then in the German Imperial territory of Alsace-Lorraine.

It was still in existence at the end of the war[3] in Armee-Abteilung A, Heeresgruppe Herzog Albrecht von Württemberg on the Western Front.

[4] On 15 September 1914, Corps Eberhardt totalled 43 battalions, 6 squadrons, 30 batteries (172 guns) & 9 Pioneer companies.

It was organized as follows: On 10 December 1914, XV Reserve Corps was organized as follows: Korps Eberhardt / XV Reserve Corps / XV Bavarian Reserve Corps had the following commanders during its existence:[17][18]