Across the world, レオナルド (Leonardo 
, Leonard , レオナルド 
) is a prevalent boy's forename. The given name レオナルド is characteristic of Latin America and the Caribbean, particularly Argentina, where it is a common male name, Uruguay, and Brazil (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Brazil, Argentina, and Philippines. Much less frequently, レオナルド is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Leonardo, Leonard | Philippines, Mexico, United States, Argentina, Brazil |
| レオナルド | Japan |
Leanard, Lenard, Lennart, Leonaldo, Leonards, Leonardt, Leonardus, Leonhard, Leonhardt, Lieanard, Linhart, Lleonard, Lénárd, Léonard, Reonaldo, Reonardo, Reonarudo, Леанард, Леанарда, Ленард, Ленарт, Леннарт, Лео, Леонар, Леонард, Леонардо, Леонарду, Леонардус, Леонгард, Леонгардт, Леонхард, Леонхардт, Лёня, לאונרד, לאונרדו, ليونارد, ليوناردو, レオナード, 莱昂纳多, and 莱昂纳德
レオナルド is also a prevalent name for the fictitious and mythical characters: Severus Snape , the fictional character in the Harry Potter series, Harry Potter and the Philosopher's Stone; Leonard McCoy , the fictional character from Star Trek, Star Trek: The Original Series; Leonardo , the fictional character from Teenage Mutant Ninja Turtles; Captain Cold , the supervillain appearing in DC Comics publications and related media, The Flash and Albus Severus Potter , the fictional character in the Harry Potter universe, and in many other works.