Latimer County is a county located in the southeastern part of the U.S. state of Oklahoma. Its county seat is Wilburton. As of the 2020 census, the population was 9,444. The county was created at statehood in 1907 and named for James L. Latimer, a delegate from Wilburton to the 1906 state Constitutional Convention. Prior to statehood, it had been for several decades part of Gaines County, Sugar Loaf County, and Wade County in the Choctaw Nation.

Wilburton is a city in Latimer County, Oklahoma, United States. It is the county seat of Latimer County. The city had a population of 2,285 as of the 2020 Census. Robbers Cave State Park is 5 miles (8.0 km) north of Wilburton.