Namesakes
Emmy Award Winners:
1 actress
(actress) Julia Louis-Dreyfus 2006; 2012; 2013; 2014; 2015; 2016; 2017 The New Adventures of Old Christine; Veep 
Notable Actors and Entertainers:
2 actors
Rhonda Fleming (a.k.a. Louis) 1923-2020
Julia Louis-Dreyfus 1961-
Notable Athletes:
1 boxing, 1 track
(track) Spyridon Louis 1873-1940
(boxing) Joe Louis 1914-1981
Olympic Medalists:
1 gold, 1 silver
(gold) Spyridon Louis 1896 marathon
(silver) France Saint-Louis 1998 ice hockey