Abu Zubaydah is a Palestinian citizen and alleged terrorist born in Saudi Arabia currently held by the U.S. in the Guantanamo Bay detention camp in Cuba. He is held under the authority of Authorization for Use of Military Force Against Terrorists (AUMF).

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.