Namesakes
Bohemian Kings:
1 king
King Ludvík (a.k.a. Lajos) 1516-1526 
Hungarian Kings and Queens:
2 kings
King Lajos I the Great 1342-1382
King Lajos II 1516-1526
Hungarian Presidents and Prime Ministers:
4 prime ministers
Prime Minister Lajos Batthyány 1848
Prime Minister Lajos Kossuth 1848-1849
Prime Minister István Tisza (a.k.a. Lajos) 1903-1905; 1913-1917
Prime Minister Lajos Dinnyés 1947-1948
Notable Philosophers and Thinkers:
1 mathematician
John von Neumann (a.k.a. Lajos) 1903-1957
Notable Politicians and Statespeople:
1 politician
Lajos Kossuth 1802-1894
Olympic Medalists:
2 gold, 1 bronze
(bronze) Lajos Gönczy 1900 high jump
(gold) Lajos Homonnai 1932; 1936 water polo
(gold) Lajos Dunai 1968 football
Other Leaders:
1 prime minister
Prime Minister Ľudovít Ódor (a.k.a. Lajos) 2023 Slovakia
Polish High Dukes and Kings:
1 king
King Ludwik I (a.k.a. Lajos) 1370-1382