Last name Davanza (Davanza 
) , around the globe, is a very rare surname. The cognomen Davanza is habitual in Italy, where it is a very rare surname, the United States, where it is an extremely rare surname, and Brazil. Very seldom, Davanza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Davanza | Argentina, Brazil, Italy, United States |