Susitna may refer to any of: Susitna Glacier The Susitna River in Alaska Mount Susitna, a mountain near the Susitna River in Alaska The Matanuska-Susitna Valley through which the Susitna River runs The Matanuska-Susitna Borough, a political subdivision in Alaska Susitna, Alaska, a census-designated place in the valley on the river MV Susitna, a ship built for the proposed Knik Arm ferry in Alaska