Worldwide, Жуан (Joao 
, João , Jouan 
) is a prevalent masculine first name. The first name Жуан is characteristic of Brazil, where it is a prevalent boy's name, Portugal, and Cabo Verde, where it is a widespread boy's name (explore the name in all countries). Not in comparison with a country's population, the name is most common in Brazil, Portugal, and Angola. Much less frequently, Жуан is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Joao, João | Portugal, Angola, France, Brazil, Mozambique |
| Jouan | United States, India, France, Brazil, Venezuela |
| Жуан | Kazakhstan, Russia, Ukraine |
Dzhoan, Džons, Evan, Gian, Gianni, Giannis, Gioan, Giovan, Giovanni, Giuàn, Hannes, Hanns, Hans, Honsa, Honza, Huans, Ian, Ianka, Ieuan, Ifan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ivan, Ivano, Ivans, Ivashka, Ivo, Iván, Iwan, Jaan, Jack, Jan, Janka, Janos, Jean, Jehan, Jhoao, Jo-Ann, Joan, Joanes, Joann, Joanne, Joannes, Jogvan, Johan, Johann, Johannes,
Жуан is also a prevalent name for the fictitious and mythical characters: Tarzan , the fictional character from Edgar Rice Burroughs's Tarzan of the Apes, Tarzan and the Lion Man; Dr. John Watson , the fictional character of Sherlock Holmes; Dick Grayson , the one of several fictional characters using the identity Robin, Batman & Robin; Martian Manhunter , the fictional superhero that appears in DC Comics' publications, Smallville and John Rambo , the fictional character in the Rambo franchise, and in many other works.