Yumi Arima (有馬 優美, Arima Yūmi, born 9 September 1997) is a Japanese water polo player who was ranked 7th in the overall Top Scorers at the 2017 World Championships[1] and 3rd at the 2019 World Championships.

[2] She will be part of the team in the women's water polo tournament at the 2020 Summer Olympics.

[3][4]

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