Family name Martellacci (Martellacci 
) , around the globe, is a rare surname. The surname Martellacci is characteristic of Italy, where it is quite a rare surname, Canada, where it is a rare surname, and Poland, where it is a very rare surname. In absolute terms, the name is most common in Italy, Canada, and the United States. Much less frequently, Martellacci is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martellacci | Canada, Poland, Spain, Italy, United States |