In military terms, 100th Division or 100th Infantry Division may refer to:
; Infantry divisions :
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100th Light Infantry Division (Germany)
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. ...
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100th Jäger Division (Wehrmacht)
The 100th Jäger Division, formerly the 100th Light Infantry Division (German: ''100. Leichte Infanterie Division'') was a light infantry division of the German Army during World War II. As such, it was provided with partial horse or motor transpo ...
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100th Division (Imperial Japanese Army)
The was an infantry division in the Imperial Japanese Army. Its call sign was the .
It was created 15 June 1944 in Mindanao under command of Lieutenant-General Jiro Harada. The nucleus for the formation was the 30th Independent Mixed Brigade a ...
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100th Guards Rifle Division
The 100th Guards Rifle Division was an elite Red Army airborne infantry division during World War II. The division fought in the Vyborg–Petrozavodsk Offensive and the Vienna Offensive. Postwar, it was designated as an airborne division and dis ...
(Soviet Union)
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100th Division (United States)
The 100th Training Division (Leader Development) (formerly the 100th Infantry Division) is a division of the United States Army headquartered at Fort Knox, Kentucky. It currently serves as a major training command of the United States Army Rese ...
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