Lake Lyndon B. Johnson and Llano County runs down the center of the lake. The lake was originally called Lake Granite Shoals. The dam would be renamed Wirtz Dam in 1952 for Alvin J. Wirtz, the first general counsel of the LCRA, and the lake was renamed to Lake Lyndon B. Johnson in 1965 in honor of US President Lyndon Baines Johnson. In addition to his work to enact the Rural Electrification Act that formed the basis for building the Texas Highland Lakes, President Johnson owned a ranch on the lake (which was separate and apart from the LBJ Ranch in Stonewall, Texas). He
USS Lyndon B. Johnson on 30 January 2017, by which time construction of the ship was over half finished. "Lyndon B. Johnson" was launched in Bath, Maine on 9 December 2018. USS Lyndon B. Johnson USS "Lyndon B. Johnson" (DDG-1002) will be the third and final built for the United States Navy. The contract to build her was awarded to Bath Iron Works located in Bath, Maine, on 15 September 2011. The award, along with funds for the construction of , was worth US$1.826 billion. On 16 April 2012, Secretary of the Navy Ray Mabus announced the ship would be named "Lyndon B. Johnson"