Dehradun Cantonment (Dehradun Cantt) is one of the seventy electoral Uttarakhand Legislative Assembly constituencies of Uttarakhand state in India.

This seat is previously known as Dehradun Constituency before 2002 Delimitation.

The constituency is a part of Tehri Garhwal (Lok Sabha constituency).

It includes 15 wards of Dehradun Municipal Corporation and Dehradun Cantonment area.