De volgende Amerikaanse divisies vochten tijdens het Ardennenoffensief. De lijst is wel niet compleet en is alleen van de belangrijkste eenheden. Tevens is het te moeilijk om te achterhalen welke eenheden er precies gevochten hebben, er zijn ongeveer 2000 Amerikaanse(?) eenheden die tijdens het Ardennenoffensief gevochten hebben.
Infantry Divisions:
- US 1st Infantry Division
- US 2nd Infantry Division
- US 4th Infantry Division
- US 5th Infantry Division
- US 9th Infantry Division
- US 26th Infantry Division
- US 28th Infantry Division
- US 30th Infantry Division
- US 35th Infantry Division
- US 75th Infantry Division
- US 76th Infantry Division
- US 78th Infantry Division
- US 80th Infantry Division
- US 83rd Infantry Division
- US 84th Infantry Division
- US 87th Infantry Division
- US 90th Infantry Division
- US 94th Infantry Division
- US 99th Infantry Division
- US 106th Infantry Division
Airborne Divisions:
- US 17th Airborne Division
- US 82nd Airborne Divison
- US 101st Airborne Division
Armored Divisions:
- US 2nd Amored Division
- US 3rd Armored Division
- US 4th Armored Division
- US 5th Armored Division
- US 6th Armored Division
- US 7th Armored Division
- US 9th Armored Division
- US 10th Armored Division
- US 11th Armored Division
US Army Airforce:
- US 8th Airforce
- US 9th Airforce
Army Group:
- US 12th Army Group
Army:
- US 1st US Army
- US 1st Allied Airborne Army
- US 3rd Army
Corps:
- US 3rd Corps
- US 5th Corps
- US 7th Corps
- US 8th Corps
- US 12th Corps
- US 18th Airborne Corps
Other units:
- 99th Infantry Battalion (The Norwegians)
- US 2nd Cavalry Group
- US 4th Cavalry Group
- US 6th Cavalry Group
- US 14th Cavalry Group
- US 102nd Cavalry Group
Hieronder een poster met de emblemen van een aantal van de divisies:
“Brad, my three best divisions are the 4th Armored, the 80th and the 26th. I’ll concentrate the 4th Armored at Longwy beginning tonight, I’ll start the 80th on Luxembourg tomorrow morning, and I’ll alert the 26th to be ready to move." General Patton