Willem "Wim" Jan Frederik Vriend (9 November 1941 – 30 September 2021) was a water polo player from the Netherlands, who finished in eighth position with the Dutch Men's Team at the 1964 Summer Olympics in Tokyo, Japan.

His elder brother Harry was also a member of that team.

[1] Vriend died on 30 September 2021, at the age of 79.

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