Olympiakos or Olympiacos may refer to: Olympiacos CFP, a multisport club in Piraeus, Greece Olympiacos F.C., the football department of Olympiacos CFP Olympiacos B.C., the basketball department of Olympiacos CFP Olympiacos S.C., the men's volleyball department of Olympiacos CFP Olympiacos Water Polo Club, the men's water polo department of Olympiacos CFP Olympiacos Women's Water Polo Team, the women's water polo department of Olympiacos CFP Olympiacos women's volleyball, the women's volleyball department of Olympiacos CFP Olympiakos Chersonissos F.C., a football club in Chersonisos, Greece Olympiakos Neon Liosion, a football club in Ilion, Greece Olympiakos Nicosia, a football club in Nicosia, Cyprus Olympiakos Patras F.C., a football club in Patras, Greece Olympiacos Volou 1937 F.C., a football club in Volos, Greece See also Olympikus, a Brazilian sports manufacturer