Antonis Vardis (Greek: Αντώνης Βαρδής; 7 August 1948 – 2 September 2014) was a Greek composer and singer. Born in Moschato, a suburb of Athens, Vardis established a 40-year career as a composer and singer, collaborating with well-known Greek singers: George Dalaras, Yiannis Parios, Vasilis Papakonstantinou, Haris Alexiou, Dimitra Galani, and Anna Vissi. In 1997 he collaborated with Austrian musician (S.T.S.), when he sung parts of the song O xenos.