Federal Correctional Institution, Allenwood Medium

The Federal Correctional Institution, Allenwood Medium (FCI Allenwood Medium) is a medium-security United States federal prison for male inmates in Gregg Township, Union County, Pennsylvania. It is part of the Allenwood Federal Correctional Complex (FCC Allenwood) and is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.

FCC Allenwood is located approximately 75 miles north of Harrisburg, Pennsylvania, the state capital.