Surname Sierchio (Sierchio 
) , in all the world, is a rare family name. The family name Sierchio is habitual in Italy, where it is a rare surname, Venezuela, where it is a very rare surname, and the United States. Much less frequently, Sierchio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sierchio | Canada, Venezuela, Italy, United Kingdom, United States |
Pat, Maria, Mario, Marco, Chris, Carol, Casey, Corey, Karen, Peter, Erin, Robyn, Debra, Donna, Grace, Glenn, Lidia, James, Jason, Nancy, Frank, Derek, Jill, Jene, Joan, Ray, Dan, Gex, Joe, Ian, Marc, Mary, Mara, Mike, Alan, Cory, Bill, Kyle, Rose, Remo, Rick, Dana, Lisa, Lori, Jose, John, Ilene, and Marion