Mount Agassiz may refer to:
Canada Mount Agassiz Ski Resort, in Riding Mountain National Park near McCreary, Manitoba (defunct)
United States Mount Agassiz (California) (), in Fresno and Inyo counties Mount Agassiz (New Hampshire) (), in the town of Bethlehem in Grafton County Mount Agassiz (Utah) (), in Duchesne and Summit counties
See also Agassiz Peak (), in Coconino County, Arizona Agassiz (disambiguation)