Long Binh Jail (also called LBJ or the "LBJ Ranch" or Long Binh Stockade) was a U.S. military stockade located at Long Bình, in the province of Dong Nai, South Vietnam during the Vietnam War. It was generally referred to as "Long Binh Jail", presumably favored over its formal name Long Binh Stockade for the sake of abbreviating it "LBJ" and thereby referring to then-president Lyndon B. Johnson.