Family name Constanza Agustina (Constanza Agustina 
) , in the world, is an extremely rare cognomen. The surname Constanza Agustina is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Constanza Agustina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Constanza Agustina | Chile, Argentina, Peru |