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

The baby name Josianna sounds like Josanna and Josianne. Other similar baby names are Jovanna, Joanna, Johanna, Jianna, Josanne, Joeanna, Josiane, Josana, Josina, Joyanna, Julianna and Jolanna.