The Associated Students of the University of Washington (ASUW) Shell House, also known as the UW Canoe House, is a historic building on the University of Washington campus in Seattle, Washington. The building was constructed in 1918 as a Navy seaplane hangar during World War I. It was later used as a shell house for the University of Washington men's rowing team from 1920 to 1949 and a canoe rental space until 1975. The building is located northeast of the Montlake Cut on Union Bay.