Arianna Valloni

{{Short description|Sammarinese swimmer (born 2001)}}

{{Use dmy dates|date=July 2021}}

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| birth_date = {{Birth date and age|df=yes|2001|4|10}}

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{{Medal|Sport| Women's swimming }}

{{Medal|Country| {{SMR}} }}

{{Medal|Competition| Games of the Small States of Europe }}

{{Medal|Silver| 2017 San Marino | 4 × 200 m freestyle }}

{{Medal|Silver| 2019 Budva | 800 m freestyle }}

{{Medal|Bronze| 2017 San Marino | 400 m freestyle }}

{{Medal|Bronze| 2017 San Marino | 800 m freestyle }}

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Arianna Valloni (born 10 April 2001){{Cite web|title=Entry list|url=https://www.omegatiming.com/File/0001130107FFFFFFFFFFFFFFFFFFFF20.pdf|url-status=live|archive-url=https://web.archive.org/web/20200726214154/https://www.omegatiming.com/File/0001130107FFFFFFFFFFFFFFFFFFFF20.pdf|archive-date=26 July 2020|access-date=26 July 2020|website=2019 World Aquatics Championships}} is a Sammarinese swimmer.

In 2018, she finished in 22nd place in the heats in the girls' 400 metre freestyle at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina.{{Cite news|last=Cervellini|first=Stefano|date=12 October 2018|title=YOG Buenos Aires, giornata di gare per Tura, Valloni e Morri|language=it|work=Sorpresa Daily News|url=https://www.sorpresa.sm/yog-buenos-aires-giornata-gare-tura-valloni-morri/|url-status=live|access-date=29 July 2020|archive-url=https://web.archive.org/web/20200729073008/https://www.sorpresa.sm/yog-buenos-aires-giornata-gare-tura-valloni-morri/|archive-date=29 July 2020}} She also competed in the girls' 800 metre freestyle where she finished in 15th place.

In 2019, she won the silver medal in the women's 800 metre freestyle at the 2019 Games of the Small States of Europe held in Budva, Montenegro.{{Cite web|title=Swimming Medalists|url=http://www.serbia-swim.org.rs/live/2019/mne-2019/MedalsByEvent.pdf|url-status=live|archive-url=https://web.archive.org/web/20200727230855/http://www.serbia-swim.org.rs/live/2019/mne-2019/MedalsByEvent.pdf|archive-date=27 July 2020|access-date=27 July 2020|website=2019 Games of the Small States of Europe}} In 2019, she represented San Marino at the 2019 World Aquatics Championships held in Gwangju, South Korea. She competed in the women's 800 metre freestyle and women's 1500 metre freestyle events.{{Cite web|title=Women's 800 metre freestyle – Heats – 2019 World Aquatics Championships|url=https://www.omegatiming.com/File/00011301070201F101FFFFFFFFFFFF01.pdf|url-status=live|archive-url=https://web.archive.org/web/20200728200814/https://www.omegatiming.com/File/00011301070201F101FFFFFFFFFFFF01.pdf|archive-date=28 July 2020|access-date=28 July 2020|website=2019 World Aquatics Championships}}{{Cite web|title=Women's 1500 metre freestyle – Heats – 2019 World Aquatics Championships|url=https://www.omegatiming.com/File/00011301070201F301FFFFFFFFFFFF01.pdf|url-status=live|archive-url=https://web.archive.org/web/20200728201033/https://www.omegatiming.com/File/00011301070201F301FFFFFFFFFFFF01.pdf|archive-date=28 July 2020|access-date=28 July 2020|website=2019 World Aquatics Championships}} In both events she did not advance to compete in the final.

At the 2020 European Aquatics Championships held in Budapest, Hungary, she competed in the women's 800 metre freestyle and women's 1500 metre freestyle events.

In 2021, she represented San Marino at the 2020 Summer Olympics held in Tokyo, Japan. She competed in the women's 800 metre freestyle and women's 1500 metre freestyle events. She was also one of the flagbearers for San Marino during the 2020 Summer Olympics Parade of Nations as part of the opening ceremony on 23 July 2021, along with wrestler Myles Amine.