Family name Dellolio (Dellolio 
) , around the world, is a rare cognomen. The surname Dellolio is habitual in Italy, where it is a rare surname, Switzerland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Dellolio | Italy, Australia, Switzerland, United States, Canada |
Mr, Rose, Rich, Ryan, Dean, Dana, Dawn, Dina, Gene, Greg, Gina, Gino, Leon, Lena, Lori, Jose, John, Joao, Jean, Jeff, June, Tina, Pino, Nick, Paul, Choo, Bj, Ann, Amy, Kim, Pam, Leo, Len, Lee, Lyn, Jay, Joe, Tom, Tim, Mary, Mark, Matt, Mike, Myra, Sara, Anna, Anne, Carl, and Nina