All around the world, イアン (Ian 
, Iain , Ean 
) is a widespread boy's given name. The given name イアン is habitual in the United Kingdom, where it is a common male name, Macao, where it is a common gender-neutral name, and Australia, where it is a common masculine name (explore the name in all countries). In absolute terms, the name is most common in the United Kingdom, the United States, and Indonesia. Very seldom, イアン is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iain, Ian | United Kingdom, Kenya, Australia, United States, Philippines |
| Ean | United Kingdom, Australia, Indonesia, United States, Philippines |
| イアン | Japan |
Džons, Evan, Gian, Gianni, Giannis, Giovan, Giovanni, Giuàn, Hanns, Hans, Honsa, Honza, Huans, Iaean, Ianka, Ieuan, Ifan, Ijan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ivan, Ivano, Ivans, Ivo, Iván, Iwan, Jaan, Jack, Jan, Janka, Janos, Jean, Jehan, Jhoao, Joan, Joannes, Joao, Jogvan, Johan, Johann, Johannes, Johannès, Johano, John, Johnny, Jon, João,
イアン is also a prevalent name for the fictitious and mythical characters: Ian Noble , the fictional character based on and portrayed by the Action Man action figure lines and associated media franchise from the American toy-company Hasbro, Inc.; Ian Malcolm , the fictional character in the Jurassic Park books and films; Ian Chesterton , the fictional character, Doctor Who; Ian Mercer , character in Pirates of the Caribbean: Dead Man's Chest and Ian Gallagher , the character on television show Shameless, and in many other works.