Parsons is a city in Labette County, Kansas, United States. As of the 2020 census, the population of the city was 9,600. It is the most populous city of Labette County, and the second-most populous city in the southeastern region of Kansas. It is home to Labette Community College and the Parsons State Hospital & Training Center.

Labette County is a county located in Southeast Kansas. Its county seat is Oswego, and its most populous city is Parsons. As of the 2020 census, the county population was 20,184. The county was named after LaBette creek, the second-largest creek in the county, which runs roughly NNW-SSE from near Parsons to Chetopa. The creek in turn was named after French-Canadian fur trapper Pierre LaBette who had moved to the area, living along the Neosho River, and marrying into the Osage tribe in the 1830s and 1840s.