Last name C'Onstanza (C'Onstanza 
) , all around the world, is an extremely rare cognomen. The last name C'Onstanza is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Likewise, C'Onstanza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| C'Onstanza | Chile |