Jillianne \j(il)-lianne, jill(ian)-ne\ as a girl's name is a variant of Gillian (Latin), Jill and Jillian, and the meaning of Jillianne is "youthful".

The baby name Jillianne sounds like Gillianne, Jillyanne, Jillianna, Jilliann, Jilliane and Jillanne. Other similar baby names are Lillianne, Dillianna, Gillyanne, Gillianna, Jillayne, Jillane, Jillyanna, Jilliana, Jillaine, Julianne, Giulianne, Lillianna, Lilliann, Lilliane and Sallianne.