Around the globe, Giancoli (Giancoli 
) is an extremely rare female first name. Much more frequently, Giancoli is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giancoli | Brazil, France, Canada, United States, Italy |
Mr, Edna, Eric, Ezio, Hugo, Irma, Olga, Maria, Mario, Marta, Marcy, Marly, Mason, Sarah, Shana, Sindi, Sueli, Alfio, Andre, Annie, Araci, Agata, Noel, Nida, Nilo, Tony, Ms, Jo, Ana, Ray, Ron, Lã, Tom, Mary, Alan, Aldo, Cindy, Anne, Dave, Diva, Lais, Lora, Luis, Luiz, Jose, John, Joao, Joã, Bill, and Banto