Vasileiadis or Vas[s]iliadis () is a Greek surname. It is a patronymic surname which literally means "the child of Vasileios". The feminine form is Vasileiadou or Vas[s]iliadou (Βασιλειάδου). Notable people with the surname include:
Aggelos Vassiliadis, Greek footballer Georgia Vasileiadou (1897–1980), Greek actress Kostas Vasileiadis (born 1984), Greek basketball player Pavlos D. Vasileiadis (born 1974), Greek biblical scholar Petros B. Vassiliadis (born 1945), Greek biblical scholar and Professor Emeritus of the Department of Theology of the Aristotle University of Thessaloniki (AUTh) Sebastian Vasiliadis, Greek-German footballer Spyridon Vassiliadis (1845–1877), Greek poet and playwright Yiannis Vasiliadis (1924–2012), Greek politician and naval admiral