Piancastelli

Piancastelli is an Italian surname. Notable people with the surname include:
 * Erika Piancastelli (born 1996), Italian–American softball player
 * Giovanni Piancastelli (1845–1926), Italian painter
 * Márcio Piancastelli (1936–2015), Brazilian-Italian Automobile designer
 * Mariangela Piancastelli (born 1953), Italian basketball player
 * Maria Novella Piancastelli, Italian physicist
 * Romano Piancastelli (born 1940), Italian cyclist