Fifth Army

Fifth Army may refer to:

Germany

 * 5th Army (German Empire), a World War I field Army
 * 5th Army (Wehrmacht), a World War II field army
 * 5th Panzer Army

Russia/USSR

 * 5th Army (Soviet Union)
 * Fifth Army (Russian Empire)

Others

 * Fifth Army (Nationalist China), see 88th Division (National Revolutionary Army)
 * Fifth Army (France)
 * Fifth Army (Japan)
 * Fifth Army (Ottoman Empire)
 * Fifth Army (United Kingdom)
 * Fifth United States Army