The Second Battle of Heligoland Bight, also the Action in the Helgoland Bight and the Zweite Seeschlacht bei Helgoland, was an inconclusive naval engagement fought between British and German squadrons on 17 November 1917 during the First World War.

SMS Königsberg was the lead ship of the Königsberg class of light cruisers, built for the German Kaiserliche Marine during World War I. She took the name of the earlier Königsberg, which had been destroyed during the Battle of Rufiji Delta in 1915. The new ship was laid down in 1914 at the AG Weser shipyard, launched in December 1915, and commissioned into the High Seas Fleet in August 1916. Armed with eight 15 cm SK L/45 guns, the ship had a top speed of 27.5 kn.