List of formations of the United States Army during World War I

This is a list of formations in the United States Army during World War I. Many of these formations still exist today, though many by different designations.

Seal of the United States War Department

Field Armies[]

• First United States Army
• Second United States Army
• Third United States Army

Army Corps[]

Ambulance corps[]

Motor transport Corps[]

• The Motor Transport Corps of the United States Army during World War 1

Army corps[]

• I Corps
• II Corps
• III Corps
• IV Corps
• V Corps
• VI Corps
• VII Corps
• VIII Corps
• IX Corps

Coast artillery corps[]

• United States Army Coast Artillery Corps - provided almost all US-manned heavy and railway artillery units

Tank corps[]

• United States Tank Corps

Signal corps[]

• United States Army Signal Corps
• Aviation Section, U.S. Signal Corps
• List of American Aero Squadrons
• List of American Balloon Squadrons

Divisions[]

Cavalry Divisions[]

• 15th Cavalry Division

Infantry Divisions[]

• 1st Division ("The Big Red One")
• 2nd Division ("Indian Head Division")
• 3rd Division ("Rock of the Marne")
• 4th Division ("Ivy Division")
• 5th Division ("Red Diamond")
• 6th Division ("Sight-Seeing Sixth")
• 7th Division ("Hourglass Division")
• 8th Division ("Golden Arrow Division"; "Pathfinder Division")
• 9th Division ("Varsity")
• 10th Division
• 11th Division ("Lafayette Division")
• 12th Division ("Plymouth Division")
• 13th Division ("Lucky 13th")
• 14th Division ("Wolverine Division")
• 15th Division
• 16th Division
• 17th Division
• 18th Division ("Cactus Division")
• 19th Division
• 20th Division
• 26th Division ("Yankee Division")
• 27th Division ("New York Division" and "Orion Division")
• 28th Division ("Keystone Division")
• 29th Division ("Blue and Grey Division")
• 30th Division ("Old Hickory Division")
• 31st Division ("Dixie Division")
• 32nd Division ("Les Terribles"; "Red Arrow Division")
• 33rd Division ("Prairie Division")
• 34th Division ("Red Bull Division")
• 35th Division ("Santa Fe Division")
• 36th Division ("Texas Division")
• 37th Division ("Buckeye Division")
• 38th Division ("Cyclone Division")
• 39th Division ("Delta Division")
• 40th Division ("Sunshine Division")
• 41st Division ("Sunset Division")
• 42nd Division ("Rainbow Division")
• 76th Division ("Liberty Bell Division"; "Onaway Division")
• 77th Division ("Statue of Liberty Division")
• 78th Division ("Lightning Division")
• 79th Division ("Cross of Lorraine Division")
• 80th Division ("Blue Ridge Division")
• 81st Division ("Wildcat Division")
• 82nd Division ("All-American Division")
• 83rd Division ("Ohio Division")
• 84th Division ("Railsplitters")
• 85th Division ("Custer Division")
• 86th Division ("Blackhawk Division")
• 87th Division ("Golden Acorn Division")
• 88th Division ("Fighting Blue Devils"; "Clover Leaf Division")
• 89th Division ("Rolling W")
• 90th Division ("Tough 'Ombres")
• 91st Division ("Pine Tree Division"; "Wild West Division")
• 92nd Division (Colored) ("Buffalo Soldiers")
• 93rd Division (Colored) ("Blue Helmets") (only infantry organized)
• 94th Division (Puerto Rico) (only infantry organized)
• 95th Division (not fully organized)
• 96th Division (not fully organized)
• 97th Division (not fully organized)
• 98th Division (only HQ organized)
• 99th Division (only HQ organized)
• 100th Division (only HQ organized)
• 101st Division (only HQ organized)
• 102nd Division (only cadre organized)

Brigades[]

Cavalry Brigades[]

Infantry Brigades[]

Field Artillery Brigades[]

Artillery Brigades (Coast Artillery Corps)[]

Depot Brigades[]

• 152nd Depot Brigade
• 162nd Depot Brigade

References[]

• Rinaldi, Richard A. (2004). The U. S. Army in World War I: Orders of Battle. General Data LLC. ISBN 0-9720296-4-8.