Dimitriou or Demetriou (Greek : Δημητρίου ) is a Greek patronymic surname , meaning "child of Demetrios ". Notable people with the surname include:
Andreas Demetriou (born 1950) Greek Cypriot developmental psychologist and a former Minister of Education and Culture of Cyprus
Andrew Demetriou (born 1961), chief executive officer of the Australian Football League
Angela Dimitriou (born 1954), Greek pop folk singer
Christos Demetriou , musician, songwriter, record producer and entrepreneur
Cleo Demetriou (born 2001), stage actress
Harriet Demetriou , Filipino lawyer and first Chairwoman of the Philippine election commission, the COMELEC
Harry Demetriou (born 1958), British poker player
Ioannis Dimitriou (1826-c.1900), Greek archaeologist and merchant
Jamie Demetriou (born c.1987), actor and writer
Jason Demetriou (rugby league) (born 1976), Australian born Canadian/Greek rugby league footballer and coach
Jason Demetriou (footballer) (born 1987), is an English-born Cypriot footballer who plays for Anorthosis Famagusta
Kyriacos Demetriou (1919–1999), New York City barber
Michael Demetriou , American aerospace engineer
Mickey Demetriou (born 1990), English footballer
Natasia Demetriou (born 1983/84), English comedian
Panayiotis Demetriou (born 1939) Cypriot politician and Member of the European Parliament for the European People's Party
Steve Demetriou , American politician from Ohio