Army Group G (German: Armeegruppe G / Heeresgruppe G) fought on the Western Front of World War II and was a component of OB West.

[3] Between August 17 and 18, the German Armed Forces High Command ordered Army Group G (with the exception of the troops holding the fortress ports) to abandon southern France.German LXIV Corps, in command in the southwest since First Army had been withdrawn a few weeks earlier to hold the line on the River Seine southeast of Paris, formed three march groups and withdrew eastward toward Dijon.

At the same time, the German Nineteenth Army retreated northward through the Rhône valley toward the Plateau de Langres.

[7] Army Group G fought in the Vosges Mountains during November 1944 and retreated through Lorraine and north Alsace during December.

In January 1945 the Army Group attacked in Operation Nordwind ("North Wind"), the last big German counter-attack on the Western Front.