Second Army

Second Army may refer to:

Germany

 * 2nd Army (German Empire), a World War I field army
 * 2nd Army (Wehrmacht), a World War II field army
 * 2nd Panzer Army

Others

 * Second Army (Australia)
 * British Second Army
 * Second Army (Egypt)
 * Second Army (France)
 * Japanese Second Army
 * Second Army (Ottoman Empire)
 * Polish Second Army
 * Second Army (Russian Empire), fought at Tannenberg
 * Soviet Second Army
 * Turkish Second Army
 * Second United States Army
 * 2nd Army (Italy)
 * Second Army (Bulgaria)