Fourth Army

A number of nations have had a Fourth Army

Germany

• 4th Army (German Empire), a World War I field Army
• 4th Army (Wehrmacht), a World War II field army
• 4th Panzer Army

Others

• Fourth Army (United Kingdom)
• Republic of China: Fourth Army (National Revolutionary Army) and New Fourth Army
• Fourth Army (France)
• Fourth Army (Ottoman Empire)
• 4th Army (Soviet Union)
• Soviet and later Russian 4th Air Army
• 4th Guards Army (Soviet Union)
• 20th Guards Army, Soviet Fourth Tank Army
• Fourth United States Army
• Fourth Army (Bulgaria)
• Fourth Army (Romania)
• Fourth Army (Austria-Hungary)
• 4th Army (Kingdom of Yugoslavia)