The Goodnow House is a historic 2-story stone house located at 2301 Claflin Road in Manhattan, Kansas, United States. It was built in 1861 in the Plains Vernacular style. From 1861 Isaac Goodnow and his wife, Ellen lived in the house, until Isaac's death in 1894. Goodnow was an abolitionist and co-founder of both Kansas State University and Manhattan.