The different enemies encountered in Army of Two are listed here. They range from privates to sergeants to heavy armored foes. they each have weaknesses and strengths.
- Grunts - Your basic foe
- Elites - A tougher more capable grunt
- Heavy Armor - A heavily armored elite who's only weak point is the rear
- Martyrs - Suicide bombers
- Mounted Machine Guns - Any grunt can man the mounted machine guns found in the field
- Special Characters - Special enemies who are often extremely deadly and tough to take down
In Army of Two: The 40th Day, there are all of those (though Elites have been renamed to Corporals), with the exception of the martyr, and then these: