Northern Front may refer to the following: Russian Northern Front (World War I), a unit of the Imperial Russian army during World War I Northern Front (RSFSR), a unit of the Red Army during the Russian civil War (1918-1922) Polish Northern Front (1920), a unit of the Polish Army during the Polish–Bolshevik War Polish Northern Front (1939), a unit of the Polish Army during the World War II Northern Front (Soviet Union), a unit of the Soviet Army during World War II.