Eleventh Army or 11th Army may refer to:

Germany

• 11th Army (German Empire), a World War I field Army
• 11th Army (Wehrmacht), a World War II field army
• 11th SS Panzer Army

Others

• Eleventh Army (Japan)
• Eleventh Army (Italy)
• 11th Air Army (Russia)
• 11th Army (Soviet Union)
• 11th Army Group (United Kingdom)

de:11. Armee es:11 Ej rcito nl:11e Leger ja: 11 pl:11 Armia ru:11- tr:11. Ordu uk:11-