Mariana Arceo

{{Short description|Mexican modern pentathlete (born 1994)}}

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| name = Mariana Arceo

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| image = Mariana Arceo by Augustas Didzgalvis.jpg

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| caption = 2023

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| birth_date = {{birth date and age|df=yes|1994|4|25}}

| birth_place = Guadalajara, Mexico{{cite news|url=https://olympics.com/tokyo-2020/es/noticias/cinco-cosas-que-saber-sobre-mariana-arceo|title=Cinco cosas que saber sobre Mariana Arceo|publisher=Tokyo 2020|date=12 May 2021|access-date=1 August 2021|language=es}}

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| country = Mexico

| sport = Modern pentathlon

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{{Medal|Country| {{MEX}} }}

{{Medal|Sport| Women's modern pentathlon }}

{{Medal|Competition| World Championships }}

{{Medal|Gold| 2019 Budapest | Relay }}

{{Medal|Silver | 2022 Alexandria | Relay }}

{{Medal|Bronze|2023 Bath|Relay}}

{{Medal|Bronze|2024 Zhengzhou|Team}}

{{Medal|Competition| Pan American Games }}

{{Medal|Gold| 2019 Lima | Individual }}

{{Medal|Competition| Central American and Caribbean Games }}

{{Medal|Gold|2023 Santo Domingo|Mixed relay}}

{{Medal|Silver| 2018 Cali | Mixed relay }}

{{Medal|Silver|2023 Santo Domingo|Individual}}

{{MedalSport|Women's laser-run}}

{{MedalCompetition|World Championships }}

{{Medal|Silver|2024 Zhengzhou|Mixed relay}}

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Mariana Arceo (born 25 April 1994) is a Mexican modern pentathlete. She represented Mexico at the 2019 Pan American Games in Lima, Peru and she won the gold medal in the women's individual event.{{Cite web|url=https://wrsd.lima2019.pe/panam/resPAG2019/pdf/PAG2019/MPN/PAG2019_MPN_C93_MPN-------------------------------.pdf|title=Modern Pentathlon Medalists|website=2019 Pan American Games|url-status=live|access-date=15 April 2020|archive-url=https://web.archive.org/web/20200812184717/https://wrsd.lima2019.pe/panam/resPAG2019/pdf/PAG2019/MPN/PAG2019_MPN_C93_MPN-------------------------------.pdf|archive-date=12 August 2020}}{{Cite web|url=https://www.insidethegames.biz/games/36/results?page=27|title=Lima 2019 Results|website=InsideTheGames.biz|access-date=15 April 2020}}

She represented Mexico at the 2020 Summer Olympics in Tokyo, Japan. She competed in the women's event.

At the 2019 World Modern Pentathlon Championships in Budapest, Hungary, she won, with Mayan Oliver, the gold medal in the women's relay event.