Throughout the world, ジャン (Jean 
, Zhang 
, Gian , among others...) is a prevalent largely boy's, but infrequently feminine forename. The given name ジャン is habitual in France, where it is a prevalent male name, San Marino, where it is a widespread masculine name, and Madagascar (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in France, the Democratic Republic of the Congo, and the United States. More frequently, ジャン is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jean | China, Madagascar, United States, France, Democratic Republic of the Congo |
| Zhang, Gian | China, United States, France, Brazil, Democratic Republic of the Congo |
| Jehan | China, United Kingdom, United States, France, Brazil |
| Zhan | China, United Kingdom, Italy, United States, France |
| ジャン | Japan |
Can, Chan, Chang, Chanti, Cheong, Cheung, Chiang, Chien, Džons, Erwann, Evan, Gang, Gean, Gens, Gianni, Giannis, Giovan, Giovanni, Giuàn, Giản, Hannes, Hanns, Hans, Honsa, Honza, Huans, Ian, Ianka, Ieuan, Ifan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ionut, Ionuț, Ivan, Ivano, Ivans, Ivashka, Ivo, Iván, Iwan, Iwo, Jaan, Jack, Jan, Jang, Janka,
ジャン is also a prevalent name for the fictitious and mythical characters: Hermione Granger , the fictional character from the Harry Potter stories; Jean Grey , the fictional character in Marvel Comics, Dark Phoenix; Jan Bronski , the fictional character from The Tin Drum by Günter Grass; C. J. Cregg , the character in The West Wing and Jean Valjean , the fictional character in Les Misérables, and in many other works.