Cornelius Sacket House is a historic home located at Cape Vincent in Jefferson County, New York. It was built about 1900 and is a 1+1⁄2-story Dutch Colonial Revival–style residence with a gambrel roof and clapboard siding. It features a 1-story open porch with five fluted Ionic columns. Also on the property is a boathouse and formal sunken garden.

It was listed on the National Register of Historic Places in 1985.