Efrén Fierro

{{Short description|Mexican swimmer (1929–2007)}}

{{use dmy dates|date=September 2016}}

{{Infobox swimmer

| name = Efrén Fierro

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| birth_date = {{birth date|1929|5|26|df=yes}}

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| death_date = {{death year and age|2007|1929}}

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{{Medal|Country|{{flagu|Mexico}}}}

{{Medal|Competition|Pan American Games}}

{{Medal|Bronze|1951 Buenos Aires|1500m freestyle}}

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Efrén Fierro (26 May 1929 – 2007) was a Mexican freestyle swimmer.{{cite web|url=https://www.olympedia.org/athletes/49188 |title=Efrén Fierro |work=Olympedia |access-date=3 July 2022}} He competed in two events at the 1952 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/fi/efren-fierro-1.html |archive-url=https://web.archive.org/web/20200418063006/https://www.sports-reference.com/olympics/athletes/fi/efren-fierro-1.html |url-status=dead |archive-date=18 April 2020 |title=Efrén Fierro Olympic Results |accessdate=24 September 2016}}