King Clovis I (a.k.a. Louis)
481-511 
King Clovis II (a.k.a. Louis)
639-655 
King Clovis III (a.k.a. Louis)
675-676 
King Clovis IV (a.k.a. Louis)
691-695 
King Louis I the Pious
813-840 
King Louis II the Stammerer
877-879 
King Louis III
879-882 
King Louis IV the Foreigner
936-954 
King Louis V the Indolent
986-987 
King Louis VI the Fat
1108-1137 
King Louis VII
1137-1180 
King Louis VIII the Lion
1223-1226 
King Louis IX
1226-1270 
King Louis X
1314-1316 
King Louis XI the Spider
1461-1483 
King Louis XII of Orleans
1498-1515 
King Louis XIII
1610-1643 
King Louis XIV the Sun King
1643-1715 
King Louis XV
1715-1774 
King Louis XVI
1774-1792 
King Louis XVIII
1814-1824 
King Louis Philippe
1830-1848 
Emperor Napoleon III (a.k.a. Louis)
1852-1870 
(prime minister/president) Adolphe Thiers (a.k.a. Louis)
1836; 1840; 1871-1873 
(prime minister) Louis-Mathieu Molé
1836-1839; 1848 
(prime minister) Louis-Eugène Cavaignac
1848 
(president) Louis-Napoléon Bonaparte
1848-1852 
(prime minister) Louis-Jules Trochu
1870-1871 
(prime minister) Ernest Courtot de Cissey (a.k.a. Louis)
1874-1875 
(prime minister) Louis Buffet
1875-1876 
(prime minister) Charles de Freycinet (a.k.a. Louis)
1879-1880; 1882; 1886; 1890-1892 
(prime minister) Émile Combes (a.k.a. Louis)
1902-1905 
(prime minister) Louis Barthou
1913 
(president) Paul Deschanel (a.k.a. Louis)
1920 
(president) Alain Poher (a.k.a. Louis)
1969; 1974 
(president) Jean-Louis Pierrot
1845-1846 
(president) Lysius Salomon (a.k.a. Louis)
1879-1888 
(president) Florvil Hyppolite (a.k.a. Louis)
1889-1896 
(president) Louis Borno
1922-1930 
(president) Louis Eugène Roy
1930 
(president) Élie Lescot (a.k.a. Louis)
1941-1946 
(baseball) Louis Santop
1889-1942 
(baseball) Lou Gehrig
1903-1941 
(boxing) Joe Louis (a.k.a. Louis)
1914-1981 
(baseball) Lou Boudreau
1917-2001 
(football) Lou Groza
1924-2000 
(football) Lou Creekmur
1927-2009 
(baseball) Hank Aaron (a.k.a. Louis)
1934-2021 
(boating) Marius Klumperbeek (a.k.a. Louis)
1938- 
(baseball) Lou Brock
1939-2020 
(basketball) Louie Dampier
1944- 
(soccer) Louis van Gaal
1951- 
(rugby) Louis Stanfill
1985- 
(rugby) Louis Picamoles
1986- 
(baseball) Lou Marson
1986- 
(football) Manti Te'o (a.k.a. Louis)
1991- 
(bronze) Louis Glineur
1900 archery - à la pyramide

(bronze) Louis Martin
1900 swimming - 200 m team; swimming - 4000 m freestyle

(bronze) Louis Laufray
1900 water polo

(gold) Louis W. Maxson
1904 archery - team round

(gold) Louis Handley
1904 swimming - 4x50 yard freestyle relay

(silver) Albert Corey (a.k.a. Louis)
1904 4 mile team; marathon

(bronze) Louis Wilkins
1904 pole vault

(silver) Louis Vernet
1908 archery - continental style 50 m

(bronze) Louis Bonniot de Fleurac
1908 3 mile team

(silver) Lewis Tewanina (a.k.a. Louis)
1912 10000 m

(gold) Louis Scott
1912 3000 m team

(silver) Charles Lelong (a.k.a. Louis)
1912 4x400 m relay

(bronze/silver/gold) Julien Brule (a.k.a. Louis)
1920 archery - moving target 28 m, team; archery - moving target 33 m; archery - moving target 33 m, team; archery - moving target 50 m; archery - moving target 50 m, team

(bronze) Louis Balbach
1920 diving - springboard

(gold) Louis Kuehn
1920 diving - springboard

(silver/gold) Louis Delcon
1920 archery - moving target 28 m, team; archery - moving target 33 m, team; archery - moving target 50 m, team

(silver/gold) Louis Fierens
1920 archery - moving target 28 m, team; archery - moving target 33 m, team; archery - moving target 50 m, team

(silver/gold) Louis Van Beeck
1920 archery - moving target 28 m, team; archery - moving target 33 m, team; archery - moving target 50 m, team

(silver/gold) Louis Van de Perck
1920 archery - large fixed target; archery - large fixed target, team; archery - small fixed target; archery - small fixed target, team

(gold) Louis Clarke
1924 4x100 m relay

(gold) Lou Jones
1956 4x400 m relay

(silver) Carole Quinton (a.k.a. Louis)
1960 80 m hurdles

(gold) Bob Boozer (a.k.a. Louis)
1960 basketball

(gold) Joe Caldwell (a.k.a. Louis)
1964 basketball

(silver/gold) Sam Graddy (a.k.a. Louis)
1984 100 m; 4x100 m relay

(bronze) Lou Marson
2008 baseball

(silver/bronze) Louis Smith
2008; 2012 artistic gymnastics

Louis II, Prince of Monaco
1922-1949 Monaco

Edward, Duke of Edinburgh (a.k.a. Louis)
1964- United Kingdom

Jean, Grand Duke of Luxembourg (a.k.a. Louis)
1964-2000 Luxembourg

William, Prince of Wales (a.k.a. Louis)
1982- United Kingdom

Philippe (a.k.a. Louis)
2013- Belgium

George of Wales (a.k.a. Louis)
2013- United Kingdom

Louis of Wales
2018- United Kingdom

Saint Louis
?-855 
Blessed Louis of Thuringia
1200-1227 
Saint Louis IX
1214-1270 
Saint Louis of Toulouse
1274-1297 
Blessed Ludovico Morbioli (a.k.a. Louis)
1433-1485 
Saint Luis Bertrán (a.k.a. Louis)
1526-1581 
Saint Luis Ibarachi (a.k.a. Louis)
1585-1597 
Blessed Louis Chakichi
?-1622 
Blessed Louis Kawara
?-1622 
Blessed Luis Flores (a.k.a. Louis)
?-1622 
Blessed Louis Baba
?-1624 
Blessed Luis Sasanda (a.k.a. Louis)
?-1624 
Blessed Luis Sotelo (a.k.a. Louis)
?-1624 
Blessed Louis Onizuka Naisen
?-1626 
Blessed Louis Maki
?-1627 
Blessed Louis Someyon
?-1627 
Blessed Luis Bertrán the Younger (a.k.a. Louis)
?-1627 
Blessed Louis Nifaki
?-1628 
Saint Louis-Marie de Montfort
1673-1716 
Saint Luigi Scrosoppi (a.k.a. Louis)
1804-1884 
Blessed Ludovico of Casoria (a.k.a. Louis)
1814-1885 
Saint Jean-Louis Bonnard
1824-1852 
Blessed Louis-Zéphirin Moreau
1824-1901 
Blessed Luigi Monti (a.k.a. Louis)
1825-1900 
Blessed Luigi Tezza (a.k.a. Louis)
1841-1923 
Blessed Luigi Guanella (a.k.a. Louis)
1842-1915 
Blessed Luigi Talamoni (a.k.a. Louis)
1848-1926 
Saint Luigi Orione (a.k.a. Louis)
1872-1940 
Blessed Luigi Variara (a.k.a. Louis)
1875-1923 
Blessed Luigi Beltrame Quattrocchi (a.k.a. Louis)
1880-1951 
Blessed Louis Versiglia
?-1930 