Illiana \i-llia-na\ as a girl's name is a variant of Iliana (Greek), and the meaning of Illiana is "Trojan".

The baby name Illiana sounds like Illianna and Elliana. Other similar baby names are Iliane, Ileana, Allina, Allana, Illissa, Dilliana, Diliana, Ilianna, Ilana, Eliana, Ellina, Galiana, Giliana, Julliana, Juliana, Nelliana, Illionya, Illia, Illeanna, Illona, Idiana, Iolana, Iriana, Jilliana, Jiliana, Lilliana, Liliana, Miliana and Oliana.