The Federal Correctional Complex, Butner is a United States federal prison complex for men near Butner, North Carolina. It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. FCC Butner is about 25 miles (40 km) northwest of Raleigh, the state capital. It includes the Bureau's largest medical complex, which operates a drug treatment program and specializes in oncology and behavioral science. Among its inmates was Bernie Madoff, who was convicted for perpetrating the largest Ponzi scheme in history. He died at the prison in April 2021.

Butner is a town in Granville County, North Carolina, United States. The population was 8,397 as of the 2020 census. Butner was managed by the state of North Carolina from 1947 through 2007.