Pittsburg is an unincorporated community in Johnson County, Arkansas, United States. It is located at a latitude of 35.4375 and a longitude of -93.36944 and was named after the industrial heritage of Pittsburgh, Pennsylvania.

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  • Pittsburg, Arkansas description at PlaceNames.com
  • "Township of Pittsburg". Geographic Names Information System. United States Geological Survey. Retrieved 2014-01-12.

35°26′02″N 93°22′34″W / 35.43390°N 93.37610°W / 35.43390; -93.37610