The 15 cm Kanone 39 (15 cm K 39) was a German heavy gun used in the Second World War. First deliveries began in 1940 to the Wehrmacht. In the Battle of France only the independent Artillerie-Batterie 698 was equipped with the gun. For Operation Barbarossa it served with the Artillerie-Abteilungen 680, 731, 740 and 800. A year later for Fall Blau they served with Artillerie-Abteilungen 511, 620, 680, 767 and 800.