Cognomen Sifari (Sifari 
) , globally, is a very rare last name. The cognomen Sifari is habitual in Croatia, where it is a rare surname, Italy, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Sifari is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sifari | Croatia, Italy, India, United States |