Nikos Sergianopoulos (Greek: Νίκος Σεργιανόπουλος) surname also spelled as Seryanopoulos or Seryiannopoulos, was a popular Greek actor. Born in Drama, Greece, he graduated from the State Theater of Northern Greece (ΚΒΘΕ) and was a founding member of the Piramatiki Skini Tehnis artwork club in Thessaloniki. He took part in numerous theatrical and television productions and he became recognizable for his role in the popular television series of Mega Channel Dio Xenoi (1997-98).

He was found murdered in his apartment in the central district Pagkrati of Athens in the morning of June 4, 2008. According to police evidence he was a victim of homicide.