Lyndon is an English surname and place name from Old English lind and dun, meaning "linden tree hill" or "hill of lime trees". President Lyndon B. Johnson is by far its best-known American bearer, and the name has a Southern, statesmanlike feel. Lyndon peaked at number 1196 in the United States in 2015 and has eased down to number 2199 in 2025 with 65 boys given the name.