The Delphi Baptist Church, also known as Delphi Falls United Church, is a historic Baptist church located at Delphi Falls, New York, Onondaga County, New York. It was built in 1815 and is the only surviving nearly-original church in Onondaga County surviving from the Federal period. A very large, old, and well-lit church, it features large "twenty over twenty sash windows", consisting of 20 glass panes in each of upper and lower sashes.