Garvin County is a county in south-central Oklahoma, United States. As of the 2020 census, the population was 25,656. Its county seat is Pauls Valley. In 1906, delegates to Constitution Convention formed Garvin County from part of the Chickasaw Nation, Indian Territory. The county was named for Samuel J. Garvin, a local Chickasaw rancher, merchant and banker. Its economy is largely based on farming, ranching and oil production.

Pauls Valley is a city in and the county seat of Garvin County, Oklahoma, United States. The population was 5,992 at the 2020 census, a decline of 3.2 percent from the figure of 6,187 in 2010. It was settled by and named for Smith Paul, a North Carolina native who married a Chickasaw woman and became a citizen of the Chickasaw Nation before the Civil War. The town economy is largely based on agriculture and oil production.