Vasileiou or Vas[s]iliou (Greek: Βασιλείου) is a Greek surname. Notable people with the surname include:
Alexandros Vasileiou (1760–1818), Greek merchant and scholar
[Panagiotis Vasiliou]] (born 1961), Greek champion in Squash .
[Alexander Vasiliou] (born 1990),
Swedish/Greek artist/singer
Alexia Vassiliou (born 1964), Cypriot singer and musician
Androulla Vasiliou (born 1943), Cypriot and European politician
George Vasiliou (born 1931), third President of the Republic of Cyprus
Giorgos Vasiliou (born 1984), Cypriot footballer
Eleni Vasileiou (born 1974), Greek basketball player
Maria Vassiliou (1950–1989), Cypriot actress
Marius Vassiliou (born 1957), American geophysicist
Michael Vasileiou, Greek merchant
Nikos Vasiliou (born 1977), Greek footballer
Mari Vasileiou (born 1990), Cypriot beauty pageant winner
Spyros Vassiliou (1902–1985), Greek painter
Stylianos Vasileiou (born 1991), Greek footballer
