Illionya \i-llion-ya, ill(io)-nya\ as a girl's name is a variant of Iliana (Greek), and the meaning of Illionya is "Trojan".

The baby name Illionya sounds like Illianna, Illiana and Illona. Other similar baby names are Ilonka, Ilona, Ilianna, Illeanna, Ilonna, Ionya and Valonya.