Freydun ( ; from Middle Persian Frēdōn, Proto-Iranian Θraitauna-) is an Iranian mythical character.

Freydun, Fereydun, Faridun, or Afridun may also refer to:

People Freydun (given name), a list of people with the given name Freydun and its variants Fardunjee Marzban (1787–1847), Indian newspaper founder Hilla Rustomji Faridoonji (1872–1956), Indian educationist and political activist Naoroji Furdunji (1817–1885), Indian Parsi reformer Afridun I (1046–1120), 18th Shah of Shirvan Afridun II ( 1160), Shah of Shirvan Afridun Amu (born 1987), Afghan surfer Afridun ibn Karan ( 884–937), Baduspanid prince

Places Faridun oil field, near Kharg Island, Iran Fereydoon Kenar, Iranian resort town on the Caspian Sea Fereydoon Shahr, city in the western part of the Isfahan Province, Iran Fereydun, Kerman, Iran Fereydun, Kermanshah, Iran Fereydun, Zanjan, Iran

Other Özsoy, sometimes known as Fereydun, a Turkish opera