Ness County is a county located in the U.S. state of Kansas. Its county seat and largest city is Ness City. As of the 2020 census, the county population was 2,687. The county was named for Noah Ness, a corporal of the 7th Kansas Cavalry.

Ness City is a city in and the county seat of Ness County, Kansas, United States. As of the 2020 census, the population of the city was 1,329. Ness City is famous for its four-story Old Ness County Bank Building located downtown, and nicknamed Skyscraper of the Plains.