Fialho is a Portuguese surname. Notable people with this surname include:
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Alan Fialho (born 1993), Brazilian football player
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André Fialho
André Fialho Mensurado (born April 7, 1994) is a Portuguese mixed martial artist, currently competing in the Welterweight division of the Ultimate Fighting Championship. He is the former UAE Warriors champion and has also competed for the PFL, ...
(born 1994), Portuguese mixed martial artist
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Barbara Fialho
Barbara Fialho (born 21 December 1987) is a Brazilian model and singer. She signed with the international modeling agency IMG Models in 2011. Fialho then landed her first major modeling opportunity, by starring in a campaign for Just Cavalli. She ...
(born 1987), Brazilian model and singer
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Éder Fialho
Éder Moreno Fialho (born May 4, 1973 in Rio de Janeiro) is a long-distance runner from Brazil, who represented his native country in the men's marathon at the 2000 Summer Olympics in Sydney, Australia). He won the bronze medal in the same event, ...
(born 1973), Brazilian long-distance runner
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José Eduardo Fialho Gouveia, Portuguese television presenter
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José Manuel Bastos Fialho Gouveia (1935–2004), Portuguese television and radio host
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José Valentim Fialho de Almeida (1857–1911), Portuguese writer, journalist and translator
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Portuguese-language surnames