Family name Steffanni (Steffanni 
) , throughout the world, is a very rare surname. The surname Steffanni is habitual in New Zealand, where it is a very rare surname, the United States, and Colombia. Likewise, Steffanni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Steffanni | New Zealand, United States, Venezuela, Colombia, Brazil |