Cognomen Iliass (Iliass 
) , worldwide, is quite a rare family name. The family name Iliass is habitual in Morocco, where it is quite a rare surname, Cameroon, where it is a rare surname, and Algeria. More frequently, Iliass is the forename as well as the last name.
Ab, Deezer, Drissi, Tahiri, Oualla, Widadi, Aghdoumi, Chaouki, Badaoui, Bousbaa, Bouazza, Bouaich, Rherbaoui, Loudiyi, Tabbakh, Elaffar, Hassani, Idrissi, Zakaria, Mansouri, Mourtadi, Lambarki, Rajawi, Benmoussa, Amrani, Mesbah, Ch, Na, El, Mks, Ben, Bou, Ely, Rami, Salmi, Saidi, Sabri, Alami, Assab, Ayaou, Klily, Raiss, Hakim, Hilmi, Ilias, Ziani, Madrid, Anouar, and Elghoudani