SMS G8 was a V1-class large torpedo boat of the Imperial German Navy. She was built by the Germaniawerft shipyard at Kiel between 1911 and 1912, completing on 6 August 1912. She served throughout the First World War, taking part in the Battle of Heligoland Bight on 28 August 1914, the Battle of Dogger Bank in 1915 and the Battle of Jutland in 1916. Post war, G8 served in the Weimar Republic's Reichsmarine, and was modernised in 1928, when she was lengthened and re-armed. She continued to serve with Nazi Germany's Kriegsmarine and was renamed T108 in 1939. She was scrapped in 1946.