Divisions in bold are currently active.*
Air assault divisions •
11th Air Assault Division (Test) (formerly 11th Airborne Division): 1963–1965
Airborne divisions • 6th Airborne Division: phantom World War II division • 9th Airborne Division: phantom World War II division •
11th Airborne Division: 1943–1958; 2022–present •
13th Airborne Division: 1943–1946 • 15th Airborne Division: placed on rolls but not organized during World War II •
17th Airborne Division: 1943–1945; 1948–1949 •
80th Airborne Division: 1946–1952* (80th Infantry Division) •
82nd Airborne Division: 1942–present •
84th Airborne Division: 1946–1952* (84th Infantry Division) •
100th Airborne Division: 1946–1952* (100th Infantry Division) •
101st Airborne Division: 1942–1945; 1948–1949; 1950–1953; 1954–present •
108th Airborne Division: 1946–1952* (108th Infantry Division) In addition, the 18th, 21st and 135th Airborne Divisions were "created" as part of
military deception operations during World War II.
Armored divisions •
1st Armored Division: 1940–1946; 1951–1957; 1962–present. The 1st Armored Division's Combat Command A remained on active duty between 1957 and 1962. •
2nd Armored Division: 1940–1995 •
3rd Armored Division: 1941–1945; 1947–1992 •
4th Armored Division: 1941–1946; 1954–1971. The 4th Armored Division was effectively organized as the
United States Constabulary from 1946 to 1954. •
5th Armored Division: 1941–1945; 1950–1956 •
6th Armored Division: 1942–1945; 1950–1956 •
7th Armored Division: 1942–1945; 1950–1953 •
8th Armored Division: 1942–1945 •
9th Armored Division: 1942–1945 •
10th Armored Division: 1942–1945 •
11th Armored Division: 1942–1945 •
12th Armored Division: 1942–1945 •
13th Armored Division: 1942–1945; 1947–1952 •
14th Armored Division: 1942–1945 • 15th Armored Division: phantom World War II division •
16th Armored Division: 1943–1945 • 18th Armored Division: never actually organized during World War II •
19th Armored Division: unorganized World War II division •
20th Armored Division: 1943–1946 •
21st Armored Division: 1946-1952 USAR Detroit, Michigan • 22nd Armored Division: unorganized World War II division •
25th Armored Division: phantom World War II division created as part of
Operation Fortitude •
27th Armored Division: 1954–1967 •
30th Armored Division: 1954–1973. The 30th Armored Division was organized as the result of an agreement between Tennessee and North Carolina to split the 30th Infantry Division. • 39th Armored Division: phantom World War II division •
40th Armored Division: 1954–1967 •
48th Armored Division: 1954–1968 •
49th Armored Division: 1946–1967; 1973–2004 •
50th Armored Division: 1946–1993
Cavalry divisions •
1st Cavalry Division: 1921–present •
2nd Cavalry Division: 1941–1942; 1943–1944
Infantry divisions •
1st Infantry Division: 1917–present •
2nd Infantry Division: 1917–present •
3rd Infantry Division: 1917–present •
4th Infantry Division: 1940–1942* (4th Motorized Division); 1943–1946; 1947–present •
5th Infantry Division: 1939–1950; 1951–1953; 1954–1957; 1962–1992 •
6th Infantry Division: 1939–1942* (6th Motorized Division); 1943–1949; 1950–1956; 1967–1968; 1984–1998. The 6th Infantry Division itself was deactivated in 1994, but the 1st Brigade, 6th Infantry Division remained in the active force under that designation until being reflagged as the 172nd Infantry Brigade in 1998. •
7th Infantry Division: 1940–1942* (7th Motorized Division); 1943–1971; 1974–1994; 1999–2006; 2012–Present •
8th Infantry Division: 1940–1942* (8th Motorized Division); 1943–1945; 1950–1992 •
9th Infantry Division: 1940–1962; 1966–1969; 1972–1991. The Division experienced a brief period of inactivation in 1947. •
10th Infantry Division (10th Mountain Division): 1943–1945; 1948–1958; 1985-present •
11th Infantry Division: phantom World War II division •
12th Infantry Division: (formerly Philippine Division): 1921–1942; 1946–1947 • 14th Infantry Division: phantom World War II division • 15th Infantry Division: phantom World War II division • 16th Infantry Division: phantom World War II division •
17th Infantry Division: phantom World War II division • 19th Infantry Division: phantom World War II division • 21st Infantry Division: phantom World War II division • 22nd Infantry Division: phantom World War II division •
23rd Infantry Division (Americal Division 1942–1945): 1954–1956; 1967–1971 •
24th Infantry Division (formerly Hawaiian Division): 1941–1970; 1975–1996; 1999–2006 •
25th Infantry Division: 1941–present •
26th Infantry Division: 1941–1945; 1946–1993 •
27th Infantry Division: 1940–1945; 1946–1954* (27th Armored Division) •
28th Infantry Division: 1941–1945; 1946–present •
29th Infantry Division: 1941–1946; 1946–1967; 1985–present •
30th Infantry Division: 1940–1945; 1946–1973 •
31st Infantry Division: 1940–1945; 1946–1968 •
32nd Infantry Division: 1940–1946; 1946–1968 •
33rd Infantry Division: 1940–1946; 1946–1968 •
34th Infantry Division: 1941–1945; 1946–1963; 1991–present •
35th Infantry Division: 1940–1945; 1946–1963; 1984–present •
36th Infantry Division: 1940–1945; 1946–1968; 2004–present •
37th Infantry Division: 1940–1945; 1946–1968 •
38th Infantry Division: 1941–1945; 1946–present •
39th Infantry Division: 1946–1968 •
40th Infantry Division: 1941–1946; 1946–1954* (40th Armored Division); 1973–present •
41st Infantry Division: 1940–1945; 1946–1968 •
42nd Infantry Division: 1943–1945; 1947–present •
43rd Infantry Division: 1941–1945; 1946–1963 •
44th Infantry Division: 1940–1945; 1946–1954 •
45th Infantry Division: 1940–1945; 1946–1968 •
46th Infantry Division: 1946–1968 •
47th Infantry Division: 1946–1991 •
48th Infantry Division: 1946–1954* (48th Armored Division) •
49th Infantry Division: 1947–1967 (former 52nd Infantry Division) •
50th Infantry Division: phantom World War II division •
51st Infantry Division: 1946–1963 •
52nd Infantry Division: 1946–1947 (renamed 49th Infantry Division) •
55th Infantry Division: phantom World War II division •
59th Infantry Division: phantom World War II division • 61st Infantry Division: never actually organized during World War II • 62nd Infantry Division: never actually organized during World War II •
63rd Infantry Division: 1943–1945; 1952–1965 •
65th Infantry Division: 1943–1945 •
66th Infantry Division: 1943–1945 • 67th Infantry Division: never actually organized during World War II • 68th Infantry Division: never actually organized during World War II •
69th Infantry Division: 1943–1945; 1954–1956 •
70th Infantry Division: 1943–1945; 1952–1955* (70th Division) •
71st Infantry Division: 1944–1946; 1954–1956 • 72nd Infantry Division: never actually organized during World War II • 73rd Infantry Division: unorganized World War II division • 74th Infantry Division: unorganized World War II division •
75th Infantry Division: 1943–1945; 1952–1957 •
76th Infantry Division: 1942–1945; 1946–1955* (76th Division) •
77th Infantry Division: 1942–1946; 1946–1965 •
78th Infantry Division: 1942–1946; 1946–1955* (78th Division) •
79th Infantry Division: 1942–1945; 1946–1963 •
80th Infantry Division: 1942–1946* (80th Airborne Division); 1952–1955* (80th Division) •
81st Infantry Division: 1942–1946; 1946–1965 •
82nd Infantry Division: 1942* (82nd Airborne Division) •
83rd Infantry Division: 1942–1946; 1946–1965 •
84th Infantry Division: 1942–1946* (84th Airborne Division); 1952–1955* (84th Division) •
85th Infantry Division: 1942–1955* (85th Division) •
86th Infantry Division: 1942–1946 •
87th Infantry Division: 1942–1945; 1946–1957 •
88th Infantry Division: 1942–1947 •
89th Infantry Division: 1942–1943* (89th Light Division); 1944–1945; 1946–1955* (89th Division) •
90th Infantry Division: 1942–1945; 1946–1965 •
91st Infantry Division: 1942–1945; 1946–1955* (91st Division) •
92nd Infantry Division (Colored): 1942–1945 •
93rd Infantry Division (Colored): 1942–1946. Although the 93rd Infantry Division shares the same number designation and patch as the previous 93rd Division, the two divisions are otherwise unrelated and do not share lineal ties. •
94th Infantry Division: 1942–1946; 1946–1963 •
95th Infantry Division: 1942–1945; 1946–1955* (95th Division) •
96th Infantry Division: 1942–1946; 1946–1963 •
97th Infantry Division: 1943–1946 •
98th Infantry Division: 1942–1946; 1946–1955* (98th Division) •
99th Infantry Division: 1942–1945 •
100th Infantry Division: 1942–1946* (100th Airborne Division); 1952–1955* (100th Division) •
102nd Infantry Division: 1942–1946; 1946–1965 •
103rd Infantry Division: 1942–1945; 1946–1963 •
104th Infantry Division: 1942–1945; 1946–1959* (104th Division) • 105th Infantry Division: never actually organized during World War II •
106th Infantry Division: 1943–1945; 1946–1950. The 106th Infantry Division was never officially added to the troop list following World War II, despite having been almost completely organized in Puerto Rico by 1948; subsequently, the War Department determined the division was not needed and deactivated the division headquarters in 1950. • 107th Infantry Division: never actually organized during World War II •
108th Infantry Division: phantom World War II division •
108th Infantry Division: 1952–1955* (108th Division) •
109th Infantry Division: phantom World War II division •
112th Infantry Division: phantom World War II division •
119th Infantry Division: phantom World War II division •
125th Infantry Division: phantom World War II division •
130th Infantry Division: phantom World War II division •
141st Infantry Division: phantom World War II division •
157th Infantry Division: phantom World War II division The 105th and 107th Infantry Divisions were intended to be negro divisions of the Army of the United States; however, due to a shortage of available manpower, their activations were canceled in 1942.
Light divisions •
10th Light Division (Alpine): 1943–1944* (10th Mountain Division) •
71st Light Division (Pack): 1943–1944* (71st Infantry Division) •
89th Light Division (Truck): 1943–1944* (89th Infantry Division)
Motorized divisions •
4th Motorized Division: 1942–1943* (4th Infantry Division) • 5th Motorized Division: phantom World War II division •
6th Motorized Division: 1942–1943* (6th Infantry Division) •
7th Motorized Division: 1942–1943* (7th Infantry Division) •
8th Motorized Division: 1942–1943* (8th Infantry Division) •
90th Motorized Division: 1942–1943* (90th Infantry Division)
Mountain divisions •
10th Mountain Division: 1944–1945; 1985–present
Reserve training divisions In an attempt to maintain its divisions, the Army Reserve transformed several of its combat divisions into training divisions; these divisions were still designated as infantry divisions until authorized as "divisions (training)" by the adjutant general in 1959. •
69th Division: 1954–1956 •
70th Division: 1955–1996 •
75th Division: 1993–2008 •
76th Division: 1955–1996 •
78th Division: 1955–2008 •
80th Division: 1955–2008 •
84th Division: 1955–2004 •
85th Division: 1955–2008 •
87th Division: 1993–2008 •
89th Division: 1955–1975 •
91st Division: 1955–2008, 2010–present •
95th Division: 1955–present •
98th Division: 1955–2008 •
100th Division: 1955–present •
104th Division: 1959–2008 •
108th Division: 1955–2008 •
First Army Division East: 2006–present •
First Army Division West: 2006–present ==Divisions planned but never actually formed during World War II==