Josianne \j(o)-sianne, josia(n)-ne\ as a girl's name is a variant of Josephine (Hebrew), and the meaning of Josianne is "Jehovah increases".

The baby name Josianne sounds like Josanne, Josianna and Josiane. Other similar baby names are Asianne, Jovanne, Josanna, Joeanne, Joanne, Johanne, Jolanne, Joyanne and Julianne.