All around the world, ルイジ (Luigi 
, Luisi 
, ルイジ 
) is a widespread male first name. The forename ルイジ is habitual in Italy, where it is a prevalent male name, Switzerland, where it is quite a rare masculine name, and Germany. Measured by absolute frequency, this name is the most popular in Italy, Brazil, and Germany. Much less frequently, ルイジ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Luigi | Germany, Italy, United States, France, Brazil |
| Luisi | Italy, Philippines, United States, France, Venezuela |
| ルイジ | Japan |
Chlodwig, Clodoveo, Clovis, Clóvis, Lajos, Lewis, Lewys, Liji, Lluis, Lluís, Loeiz, Loic, Louis, Loïc, Loïck, Ludovic, Ludovico, Ludovicus, Ludvig, Ludvik, Ludwig, Ludwik, Luigge, Luiji, Luis, Luiz, Luã S, Luís, Riji, Λουί, Λουδοβίκος, Кловис, Лайош, Лоик, Лудвиг, Лудвик, Луи, Луиджи, Луис, Луис, Луи, Луиш, Луіс, Луіш, Луї, Луїс, Льюис, Льюіс, Льюїс, Людвиг, Людвик,
ルイジ is also a popular name for the fictitious and mythical characters: Luigi , the fictional video game character from the Mario franchise, Super Mario Odyssey; Luigi Risotto , the The Simpsons character; Luigi Vampa , the fictional character from "The Count of Monte Cristo"; Luigi V , the operatic character in the opera Ugo, conte di Parigi and Luigi Ferrara , the character in James Bond franchise, For Your Eyes Only, and in many other works.