Across the world, Detullio (Detullio 
) is an extremely rare unknown gender first name. Much more prevalently, Detullio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Detullio | Argentina, Australia, Canada, United States, Italy |
Ann, Jean, Judi, Nick, Nino, Maria, Marie, Maggy, Mirba, Santa, Jenn, Sonia, Catie, Kathy, Kayla, Kevin, Paolo, Ralph, Ruben, David, Donna, Carla, Gilda, Joan, Jane, Dee, Dan, Lia, Joe, Mary, Mike, Alex, Alix, Andy, John, Anna, Keri, Kyle, Paul, Rick, Russ, Greg, Gina, Lisa, Lois, Beth, and Gwenn