Piancastelli is an Italian surname. Notable people with the surname include:
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Erika Piancastelli
Erika Piancastelli (born June 20, 1996) is an Italian-American professional softball player for the Volts of the Athletes Unlimited Softball League (AUSL). She plays international softball for Italy and competed in the 2020 Summer Olympics. Born ...
(born 1996), Italian–American softball player
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Giovanni Piancastelli (1845–1926), Italian painter
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Márcio Piancastelli (1936–2015), Brazilian-Italian Automobile designer
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Mariangela Piancastelli (born 1953), Italian basketball player
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Maria Novella Piancastelli, Italian physicist
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Romano Piancastelli (born 1940), Italian cyclist
{{surname, Piancastelli
Italian-language surnames