Around the globe, Constanzo (Constanzo 
) is a rare boy's forename. The given name Constanzo is characteristic of Mexico, where it is a very rare masculine name, Argentina, where it is a very rare mostly male, but infrequently girly name, and the United States, where it is an extremely rare primarily boy's, but very seldom female name. More prevalently, Constanzo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Constanzo | Mexico, United States, Dominican Republic, Chile, Argentina |