Meaning and name origin
Josiane \j(o)-sia-ne\ as a girl's name is of Hebrew origin, and the meaning of Josiane is "Jehovah increases". Josiane is a variant of Josephine (Hebrew): feminine of Joseph with the diminutive suffix -ine.
Josiane is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Josiane and its variant forms. The only popular variation form ranked in the Top 1000/100 is Josephine (#147). (2014 statistics).