Maria Kanellopoulou

Maria Kanellopoulou (; born March 28, 1977) is a Greek water polo player. She was a member of the Greece women's national water polo team that finished in the fourth place at the 2001 European Championship in Budapest. She also competed in the 1998 World Championship in Perth where Greece finished in fifth place, and the 2003 World Championship in Barcelona where the Greek team finished 9th.

At club level, she played for Greek powerhouse Olympiacos for 14 years (1992–2006), winning two Greek Championships and the fourth place in the 1995–96 LEN European Cup.