De Witt Park Historic District is a national historic district located at Ithaca in Tompkins County, New York. The district consists of 45 contributing buildings, one contributing site (De Witt Park, known as Town Square until 1869), and three contributing objects. It includes the area developed by the town's founder, Simon De Witt, in the early 19th century. The district includes the separately listed Boardman House and Second Tompkins County Courthouse.It was listed on the National Register of Historic Places in 1971.
