Illianna \i(l)-lianna, ill(ian)-na\ as a girl's name is a variant of Aileen (Norman) and Iliana (Greek), and the meaning of Illianna is "Trojan".
The baby name Illianna sounds like Ilianna, Illiana and Illeanna. Other similar baby names are Illeanne, Ileanna, Dillianna, Elliana, Elianna, Galianna, Gillianna, Illionya, Jillianna, Julianna, Lillianna, Lilianna and Olianna.