Kyriakou (), sometimes transliterated as Kiriakou or Kyriacou, is a Greek or – more commonly –; a Greek-Cypriot surname. Notable people with the surname include:
Andi Kyriacou (born 1983), Irish rugby player Anna Kyriakou (1929–2025), Greek actress Charalambos Kyriakou (born 1989), Cypriot association football player Charalampos Kyriakou (born 1995), Cypriot association football player Demetris Kyriakou (born 1986), Cypriot association football player Emanuel Kiriakou (born 1966), American songwriter and producer John Kiriakou (born 1964), American CIA analyst Kyriacos Kyriacou (born 1989), Cypriot association football player Maria Elena Kiriakou (born 1984), Cypriot singer Michalis Kyriakou (born 1944), known professionally as Mihalis Violaris, Cypriot singer Minos Kyriakou (1942–2017), Greek shipping magnate Rena Kyriakou (1917–1994), Greek pianist Vangelis Kyriakou (born 1994), Cypriot footballer Xenios Kyriacou (born 1979), Cypriot association footballer
See also Kyriakos Kyriacos