Marina Kalaitzieva

Marina Kalaitzieva (born January 24, 1979, in Bulgaria) is a Greek-Bulgarian female professional volleyball player who has been a member of the Greece women's national volleyball team.

At club level, she played most notably for Greek powerhouse Olympiacos Piraeus (2007–2009), with whom she reached the quarter-finals of the 2007-2008 CEV Women's Challenge Cup.