Worldwide, Джанни (Gianni 
, Canni 
, Djanni ) is a widespread masculine first name. The given name Джанни is characteristic of Italy, where it is a common male name, Belgium, where it is quite a common boy's name, and Malta, where it is quite a rare boy's name. Measured by absolute frequency, this name is the most popular in Italy, the Democratic Republic of the Congo, and India. Very seldom, Джанни is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gianni | Italy, United States, Argentina, France, Democratic Republic of the Congo |
| Canni | Indonesia, Italy, United States, India, Brazil |
| Djanni | United States, Brazil, Democratic Republic of the Congo |
| Джанни | Russia |
Dzhanni, Džons, Evan, Geovanni, Gian, Giannino, Giovan, Giovanni, Giuàn, Hanns, Hans, Honsa, Honza, Huans, Ian, Ieuan, Ifan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ivan, Ivano, Ivans, Ivo, Iván, Iwan, Iwo, Jaan, Jack, Jan, Janos, Jean, Joan, Joannes, Jogvan, Johan, Johann, Johannes, Johano, John, Johnny, Jon, João, Juan, János, Jógvan, Jóhann, Jóhannes,
Джанни is also a name for the fictitious and mythical characters: Gianni di Marco , the Fictional character from the BBC soap opera EastEnders; Gianni Schicchi (age 50) , the operatic character in the opera Gianni Schicchi by Giacomo Puccini and Gianni Ocricchio , the operatic character in the opera Il macigno.