United States Disciplinary Barracks

The United States Disciplinary Barracks colloquially known as Leavenworth, is a military correctional facility located on Fort Leavenworth, a United States Army post in Kansas.

It is one of three major prisons built on Fort Leavenworth property, the others being the federal civilian United States Penitentiary, Leavenworth, four miles to the south, and the military Midwest Joint Regional Correctional Facility, which opened on 5 October 2010.It reports to the United States Army Corrections Command and its commandant usually holds the rank of colonel.

The USDB is the U.S. military's only maximum-security facility that houses male service members convicted at court-martial for violations of the Uniform Code of Military Justice.