The War Memorial at Oncenter (originally the Onondaga County War Memorial) is a multi-purpose arena in Downtown Syracuse, New York. It is part of the Oncenter Complex. Designed by Edgarton and Edgarton and built from 1949 through 1951, the structure is significant as an example of a World War I, World War II and Aroostook War commemorative and as "an early and sophisticated example of single-span thin-shell concrete roof construction".