Throughout the world, Piancastelli (Piancastelli 
) is an extremely rare unknown gender first name. Much more frequently, Piancastelli is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Piancastelli | Brazil, France, Switzerland, United States, Italy |
| romano piancastelli Italian cyclist, IT (b. 1940) |
|
Mr, Mirko, Mirco, Sofia, Alice, Alain, Andre, Angie, Artur, Aurea, Carlo, Carla, Bento, Bruno, Paula, Paola, Paolo, Piero, Robin, Roque, Rubia, Delio, Mabel, Genny, Maura, Marly, Ms, Ana, Sara, Alba, Anna, Pier, Lino, Lisa, Luca, Luiz, John, Tony, Eder, Edna, Eric, Enzo, Emma, Ezio, Maria, Mario, Marco, Mauro, and Gemma