Airborne,
armored,
cavalry,
infantry, and mountain divisions are grouped separately. The numbering system for the airborne and mountain divisions are a continuation of the infantry numbering system—"phantom" formations are an exception to that numbering system.
Airborne divisions •
6th Airborne Division ("phantom" formation) •
9th Airborne Division ("phantom" formation) •
11th Airborne Division •
13th Airborne Division • 15th Airborne Division (never organized) •
17th Airborne Division • 18th Airborne Division ("phantom" formation) •
21st Airborne Division ("phantom" formation) •
82nd Airborne Division •
101st Airborne Division • 135th Airborne Division ("phantom" formation)
Armored divisions •
1st Armored Division •
2nd Armored Division •
3rd Armored Division •
4th Armored Division •
5th Armored Division •
6th Armored Division •
7th Armored Division •
8th Armored Division •
9th Armored Division •
10th Armored Division •
11th Armored Division •
12th Armored Division •
13th Armored Division •
14th Armored Division • 15th Armored Division ("phantom" formation) •
16th Armored Division •
18th Armored Division (constituted but never activated) •
19th Armored Division (constituted but never activated) •
20th Armored Division •
21st Armored Division (constituted but never activated) • 22nd Armored Division (constituted but never activated) •
25th Armored Division ("phantom" deception formation) • 39th Armored Division ("phantom" formation)
Cavalry divisions •
1st Cavalry Division •
2nd Cavalry Division Infantry divisions •
1st Infantry Division •
2nd Infantry Division •
3rd Infantry Division •
4th Infantry Division •
5th Infantry Division •
6th Infantry Division •
7th Infantry Division •
8th Infantry Division •
9th Infantry Division •
11th Infantry Division ("phantom" formation) • 14th Infantry Division ("phantom" formation) •
17th Infantry Division ("phantom" formation) • 22nd Infantry Division ("phantom" formation) •
24th Infantry Division •
25th Infantry Division •
26th Infantry Division •
27th Infantry Division •
28th Infantry Division •
29th Infantry Division •
30th Infantry Division •
31st Infantry Division •
32nd Infantry Division •
33rd Infantry Division •
34th Infantry Division •
35th Infantry Division •
36th Infantry Division •
37th Infantry Division •
38th Infantry Division •
40th Infantry Division •
41st Infantry Division •
42nd Infantry Division •
43rd Infantry Division •
44th Infantry Division •
45th Infantry Division • 46th Infantry Division ("phantom" formation) • 48th Infantry Division ("phantom" formation) • 50th Infantry Division ("phantom" formation) •
55th Infantry Division ("phantom" formation) •
59th Infantry Division ("phantom" formation) •
61st Infantry Division (constituted but never activated) • 62nd Infantry Division (constituted but never activated) •
63rd Infantry Division •
65th Infantry Division •
66th Infantry Division • 67th Infantry Division (constituted but never activated) • 68th Infantry Division (constituted but never activated) •
69th Infantry Division •
70th Infantry Division •
71st Infantry Division • 72nd Infantry Division (constituted but never activated) • 73rd Infantry Division (constituted but never activated) • 74th Infantry Division (constituted but never activated) •
75th Infantry Division •
76th Infantry Division •
77th Infantry Division •
78th Infantry Division •
79th Infantry Division •
80th Infantry Division •
81st Infantry Division •
83rd Infantry Division •
84th Infantry Division •
85th Infantry Division •
86th Infantry Division •
87th Infantry Division •
88th Infantry Division •
89th Infantry Division •
90th Infantry Division •
91st Infantry Division •
92nd Infantry Division •
93rd Infantry Division •
94th Infantry Division •
95th Infantry Division •
96th Infantry Division •
97th Infantry Division •
98th Infantry Division •
99th Infantry Division •
100th Infantry Division •
102nd Infantry Division •
103rd Infantry Division •
104th Infantry Division • 105th Infantry Division (constituted but never activated) •
106th Infantry Division • 107th Infantry Division (constituted but never activated) •
108th Infantry Division ("phantom" formation - activated following the war as the 108th Airborne Division) • 109th Infantry Division ("phantom" formation) • 112th Infantry Division ("phantom" formation) • 119th Infantry Division ("phantom" formation) • 125th Infantry Division ("phantom" formation) • 130th Infantry Division ("phantom" formation) • 141st Infantry Division ("phantom" formation) • 157th Infantry Division ("phantom" formation) •
Americal Division •
Philippine Division Mountain divisions •
10th Mountain Division ==References==