Andreou (Greek: Ανδρέου [an̪ˈðre̞u]), also spelt Antreou, is a common surname in Greece and Cyprus. It originally meant son of Andrew or son of Andreas. Andreou or Andreu is also a last name in Spain and Italy. Andreou is of pre-Christian Greek origin although in Western Europe it gained popularity during the Crusades (mostly in the form of Andrew) and was also one of the earliest settler names in America.
Andreou may refer to:
Anastasios Andreou (1877–1947), Greek-Cypriot athlete who competed in the 1896 Summer Olympics in Athens
Anna Andreou, Greek actress
Alex Andreou, Greek-Cypriot film director
Charalambos Andreou (born 1967), Greek-Cypriot footballer
Constantine Andreou (1917–2007), Légion d'honneur awarded painter & sculptor of Greek origin
Costas Andreou, Greek musician
Christos Andreou, Greek-Cypriot film composer
Chrisoula Andreou, American philosophy professor
Eleen Andreou, Greek-Cypriot actress and film producer
Elena Andreou, Greek-Cypriot singer
Errikos Andreou, Greek film director
Errikos Andreou, (born 1977), Greek photographer and videographer
Ioannis Andreou, Greek swimmer that participated in the 1896 Summer Olympics in Athens
Sozos Andreou (born 1969), Greek-Cypriot footballer
Theo Andreou (born 1969), Greek-Cypriot entrepreneur