Pawnee County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 15,553. Its county seat is Pawnee. The county is named after the Pawnee Nation, whose reservation used to encompass the county prior to allotment in 1893.

Pawnee is a city and county seat of Pawnee County, Oklahoma, United States. The town is northeast of Stillwater at the junction of U.S. Route 64 and State Highway 18.