Longstreet Farm is a living history farm located at 44 Longstreet Road in Holmdel Township, New Jersey, United States. The farm is 9 of 664 acres within Holmdel Park. It was added to the National Register of Historic Places on November 29, 1979, for its significance in agriculture and architecture. The listing has 19 buildings, including the farmhouse, which was built from 1790 to 1810.