The Federal Correctional Institution Greenville (FCI Greenville) is a medium-security United States federal prison for male offenders in Illinois, with an adjacent satellite prison camp for minimum-security female offenders.
 It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.

FCI Greenville is located approximately 43 miles east of St. Louis, Missouri, and 63 miles from Springfield, Illinois.
The Federal Correctional Institution Greenville (FCI Greenville) is a medium-security United States federal prison for male offenders in Illinois, with an adjacent satellite prison camp for minimum-security female offenders.  It is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.
FCI Greenville is located approximately 43 miles east of St. Louis, Missouri, and 63 miles from Springfield, Illinois.
Federal Correctional Institution, Greenville