American Presidents: 1 president
Lyndon B. Johnson   1963-1969  
Notable Actors and Entertainers: 1 actor
Lyndon Brook   1926-2004  
Notable Writers: 1 author
P. L. Travers (middle name Lyndon)   1899-1996  
Olympic Medalists: 1 gold, 1 silver/bronze
(silver/bronze) John Regis (middle name Lyndon)   1988; 1992   4x100 m relay; 4x400 m relay  
(gold) Lyndon Ferns   2004   swimming - 4x100 m freestyle relay