Worldwide, Ioulian (Юлиан 
, Юлиян 
, Юльян 
) is quite a rare masculine given name. The given name Ioulian is habitual in Bulgaria, where it is quite a common male name, Lithuania, where it is quite a rare male name, and Moldova. Measured by absolute frequency, it is the most numerous in Russia, Bulgaria, and Kazakhstan. Very seldom, Ioulian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Юлиан | Azerbaijan, Kazakhstan, Russia, Belarus, Bulgaria |
| Юлиян | Kazakhstan, Russia, Belarus, Bulgaria, Ukraine |
| Юльян | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Ioulian | Greece, Romania, United States |
Giuliano, Giulio, Iouli, Iulian, Iulius, Jules, Juli, Julian, Juliano, Julianus, Julien, Julij, Julijan, Julio, Juliusz, Julián, Julião, Juluan, Júlio, Júlíus, Xián, Youli, Yulian, Yuliy, Yuly, Джулиан, Джулиано, Джулио, Жил, Жул, Жулиан, Жулиен, Жулио, Жуль, Жюль, Жюльен, Иоулиан, Иулиан, Иульян, Йулиан, Йулян, Ульян, Хулиан, Хулио, Хуліан, Хуліо, Юлий, Юлиус, Юлиуш, Юлян,
Ioulian is also a popular name for the fictitious and mythical characters: Albert Rothstein , the DC Comics character, The Flash; Julian Bashir , the fictional character in the TV series Star Trek: Deep Space Nine; Calendar Man , the comic book character, The Lego Batman Movie; Julian Sark , the fictional character in the television series Alias and Bean , the character in the Ender's Game series, and in many other works.
| ioulian a. budagov particle physicist at JINR, Russia |
|
Banas, Markov, Ivanov, Ioannou, Moustiatse, and Stoitchkov