91st Battalion (Elgin), CEF

91st "Overseas" Battalion, CEF
Active1915–1916
Disbanded21 May 1917
CountryCanada
BranchCanadian Expeditionary Force
TypeInfantry
Mobilization headquartersSt. Thomas, Ontario
Motto(s)Duty first
Battle honoursThe Great War, 1916
Commanders
Officer commandingLCol W.J. Green

The 91st Battalion (Elgin), CEF, was an infantry battalion of the Great War Canadian Expeditionary Force.