Pittsburg is a city in, and the county seat of, Camp County, Texas, United States. Best known as the former home of the giant poultry producer Pilgrim's and the home of racing legend Carroll Shelby, Pittsburg is also the birthplace of Cavender's Boot City. In 1902, it was the site of an early flight attempt by the Ezekiel Air Ship Mfg Co. With a 2020 census-tabulated population of 4,335, it is the most populous city in Camp County.

Camp County is a county in the eastern part of Texas. As of the 2020 census, its population was 12,464. Its seat is Pittsburg. The county was founded in 1874 and is named for John Lafayette Camp, a Texas politician.