Sixth Army

Sixth Army may refer to:

Germany

 * 6th Army (German Empire), a World War I field Army
 * 6th Army (Wehrmacht), a World War II field army
 * 6th Panzer Army

Russia

 * 6th Army (Russian Empire)
 * 6th Army (RSFSR)
 * 6th Army (Soviet Union)

Others

 * Sixth Army (France)
 * Sixth Army (Italy)
 * Sixth Army (Austria-Hungary)
 * Sixth Army (Ottoman Empire)
 * Sixth Army (Japan)
 * Sixth United States Army