Around the world, Луи (Louis 
, Lui , Louie 
) is a widespread boy's first name. The first name Луи is characteristic of France, where it is a common masculine name, Hong Kong, where it is a common largely boy's, but seldom girly name, and Macao, where it is a common predominantly boy's, but very seldom girly name (explore the name in all countries). In absolute terms, it is the most numerous in France, the United States, and Philippines. Much less frequently, Луи is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lui, Louis | Philippines, Taiwan, United States, France, Democratic Republic of the Congo |
| Louie | South Africa, Philippines, Hong Kong, United States, France |
| Луи | Kazakhstan, Russia, Estonia, Bulgaria, Ukraine |
Chlodwig, Clodoveo, Clovis, Clóvis, Florvil, Koldo, Lajos, Lewis, Lewys, Ljudevit, Lluis, Lluís, Loeiz, Loic, Loida, Loide, Lois, Loui, Louise, Louÿs, Love, Loïc, Loïck, Ludovic, Ludovico, Ludovicus, Ludvig, Ludvik, Ludwig, Ludwik, Luigi, Luijs, Luis, Luiz, Luj, Luy, Luã S, Luís, Lysius, Miłość, Saint-Louis, Λουί, Λουίζα, Λουδοβίκος, Λούης, Кловис, Лав, Лайош, Лов, Лове,
Луи is also a prevalent name for the fictitious and mythical characters: Louie Duck , the fictional Disney character, Mickey's Once Upon a Christmas; Louie , the The Simpsons character; King Louie , the fictional character in The Jungle Book films; Louis Tully , the fictional character from the Ghostbusters franchise and Louis de Pointe du Lac , the fictional character created by Anne Rice, The Vampire Chronicles, and in many other works.
| луи теодор рах German botanist (1821-1859), RU (b. 1821) |
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| колитц, луи German painter (1845-1914), RU (b. 1845) |
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| луи фёдорович гомилиус Russian organist (1845-1908), RU (b. 1845) |
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| аренс, луи LV (b. 1864) |
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