Bug) was an army level command of the German Army in World War I named for the Bug River.

It was formed against Russia on 8 July 1915 and served exclusively on the Eastern Front.

After the commander, General der Infanterie Alexander von Linsingen, had been appointed to simultaneous command of Heeresgruppe Linsingen on 20 September 1915, the Army of the Bug was split into Armee-Gruppen that were under the direct command of the Heeresgruppe.

At various times, these included[3] The dissolution of the last of these on 28 January 1918 marked the end of the Army of the Bug as well.

[4] The Army of the Bug was commanded throughout its existence by General der Infanterie Alexander von Linsingen (previously commander of South Army).