Camp Echo is one of seven Guantanamo Bay detention camps associated with Camp Delta, the prisoners' camp, at the Guantanamo Bay detention camp, run by the United States military. The maximum-security facility is used to hold detainees in solitary confinement, as well as for interrogations by the military.

The Guantanamo Bay detention camp is a United States military prison within the Guantanamo Bay Naval Base, also referred to as Gitmo, on the coast of Guantánamo Bay in Cuba. As of April 2023, of the 779 people detained there since January 2002 when the military prison first opened after the September 11 attacks, 740 had been transferred elsewhere, 30 remained there, and nine had died while in custody.