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 Gert Steinbäcker (S.T.S.), when he sung parts of the song O xenos.

During the 1990s and 2000s he worked as a composer with popular singers such as Keti Garbi, Antonis Remos, Natassa Theodoridou, Giannis Ploutarhos and others.