Family name Stefeni (Stefeni 
) , around the world, is a rare surname. The cognomen Stefeni is habitual in Brazil, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Stefeni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Stefeni | Brazil, India, United States, Indonesia, South Africa |