State Highway 39, abbreviated as SH-39, is a state highway in the U.S. state of Oklahoma. It is 68.4 miles (110.1 km) in length. It runs east–west through the central part of the state, beginning at unincorporated Tabler, east of Chickasha, and ending east of Konawa. Along the way, SH-39 serves the counties of Grady, McClain, Cleveland, Pottawatomie, and Seminole. It currently has no lettered spurs.

Purcell is a city in and the county seat of McClain County, Oklahoma, United States. As of the 2020 census, the city population was 6,651, a 13% increase from 2010.