Jo Evelein
Jo Evelein also written as Jo Eveleyn (born  1890s) was a Dutch competitive swimmer, diver and water polo player. Evelein was active in the early 20th-century, in the early era of women's aquatics. She was a member of the Hollandsche Dames Zwemclub (H.D.Z.) and the earliest Netherlands women's water polo team. Evelein initiated the women's water polo demonstration event at the 1920 Summer Olympics. She won the gold medal at the 1922 Women's Olympiad in the water polo event.