Mario Fayos

{{short description|Uruguayan athlete}}

{{Use dmy dates|date=February 2025}}

{{Infobox sportsperson

| name = Mario Fayos

| full_name = Mario Guinemer Fayos Romero

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| sport = Sprinting

| event = 100 metres

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| birth_date = {{birth date|1927|2|2|df=yes}}

| birth_place = Montevideo, Uruguay

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Mario Fayos (born 2 February 1927) was a Uruguayan sprinter. He competed in the men's 100 metres at the 1948 Summer Olympics.{{cite Sports-Reference |url=https://www.sports-reference.com/olympics/athletes/fa/mario-fayos-1.html |archive-url=https://web.archive.org/web/20200418010910/https://www.sports-reference.com/olympics/athletes/fa/mario-fayos-1.html |url-status=dead |archive-date=18 April 2020 |title=Mario Fayos Olympic Results |accessdate=7 June 2017}}