Kenji Nener (ニナー 賢治, born 26 May 1993) is a Japanese triathlete.

[2] He competed in the men's event at the 2020 Summer Olympics held in Tokyo, Japan.

[4] Nener was born in Australia to an Australian father and a Japanese mother.

[1] He initially represented his country of birth, but switched allegiances when he was granted Japanese citizenship in 2021.

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