Olympiacos Women's Water Polo Club is the women's water polo department of the major Greek multi-sport club Olympiacos, based in Piraeus. The department was founded in 1988 and they play their games at the 1000-seated Papastrateio "Petros Kapagerof" Pool in Piraeus. In 2022 Olympiacos were crowned back-to-back European Champions in Piraeus, beating UVSE (18–11 in the semi-final) and Sabadell (11–7 in the final).