28th Division or 28th Infantry Division may refer to:
Infantry divisions:
- 28th Division (German Empire)
- 28th Reserve Division (German Empire)
- 28th Jäger Division (Wehrmacht)
- 28th Infantry Division Aosta, Kingdom of Italy
- 28th Division (Imperial Japanese Army)
- 28th Infantry Division (Poland)
<!--* 28th Rifle Division (Soviet Union)-->
- 28th Division (Spain)
- 28th Division (United Kingdom)
- 28th Infantry Division (United States)
- 28th Infantry Division of Kordestan, Iran
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Cavalry divisions:
- 28th Cavalry Division (Soviet Union)
Armoured divisions:
- 28th Tank Division (Soviet Union)
Artillery divisions:
- 28th Flak Division (Wehrmacht)
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Aviation divisions:
- 28th Air Division, United States Air Force