Buna is a census-designated place (CDP) in Jasper County, Texas, United States. The population was 2,269 at the 2000 census.
The Beaumont Lumber Company mill in southern Jasper County was first called Carrolla for the Carroll family, prominent Beaumont lumbermen and industrialists. The site was subsequently renamed Buna, however, in honor of one of the family's cousins, Buna Corley.
Buna is located at 30°26′22″N 93°57′58″W / 30.43944°N 93.96611°W / 30.43944; -93.96611 (30.439390, -93.966199).