Kieran James Bird (born 2 September 1999) is a British swimmer.

[4] He competed in the men's 400 metre freestyle event at the 2020 European Aquatics Championships, in Budapest, Hungary.

[5] Bird won the 400 metres freestyle at the 2024 Aquatics GB Swimming Championships[6] and was subsequently named in the British team for the 2024 Summer Olympics.

[7] He swam in the heats of the 4 × 200 metre freestyle relay and while he was replaced by Matt Richards for the final, as a heat swimmer he was awarded a gold medal when the British team won.

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