Antonio Serrat Seoane (born 24 January 1995) is a Spanish triathlete.

He won a bronze medal at the 2021 European Triathlon Championships and a silver medal at the 2021 Europe Triathlon Sprint Championships.

[1] In 2022, he finished 7th overall in the 2022 World Triathlon Championship Series, also placing second in Bermuda.

[2] In 2024, he finished 32nd in the men's triathlon at the Summer Olympics.

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