The Federal Correctional Institution, Tucson (FCI Tucson) is a medium-security United States federal prison for male inmates with an administrative facility for male and female offenders.

It is part of the Tucson Federal Correctional Complex (FCC Tucson) and operated by the Federal Bureau of Prisons, a division of the United States Department of Justice.

[1] Opened in March 1982, the institution was originally a metropolitan correctional center designed for a capacity of 392 inmates.

In November 2022, an inmate attempted to shoot his wife during a visitation session.

The prison mainly holds pretrial inmates from federal court proceedings in the District of Arizona as well as short term and sentenced inmates awaiting transfer.