Antoniadis or Antoniades (Greek: Αντωνιάδης, romanized: Antōniadēs, phonetically Antoniádhis) is a Greek surname.
The female version of the name is Antoniadou (Αντωνιάδου) or Antoniadi (Αντωνιάδη).
Antoniadis is a patronymic surname which literally means "the child of Antonis".
Notable examples include: