In military terms, 55th Division or 55th Infantry Division may refer to:
; Infantry divisions :
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55th Infantry Division (Bangladesh)
* British 55th Division:
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55th (West Lancashire) Division
The 55th (West Lancashire) Division was an infantry division of the British Army's Territorial Force (TF) that saw extensive combat during the First World War. It was raised initially in 1908 as the West Lancashire Division. Following the out ...
(1908-1920)
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55th (West Lancashire) Infantry Division
The 55th (West Lancashire) Infantry Division was an infantry division of the British Army's Territorial Army (TA) that was formed in 1920 and existed through the Second World War, although it did not see combat. The division had originally b ...
(1921-1945)
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55th Infantry Division (France)
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55th Infantry Division Savona (Kingdom of Italy)
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55th Division (Imperial Japanese Army)
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55th Infantry Division (Poland)
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55th Naval Infantry Division (Russia)
* Soviet 55th Division
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55th Rifle Division (Soviet Union)
The 55th Rifle Division that served as a Red Army rifle division during the Great Patriotic War formed for the first time in September 1925 as a territorial division headquartered at Kursk. When the German invasion began the unit was as Slutsk, but ...
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55th Guards Rifle Division
*
55th Infantry Division (United States)
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