Surname Sifantus (Sifantus 
) , around the globe, is a very rare cognomen. The family name Sifantus is habitual in Switzerland, where it is a rare surname, France, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sifantus | Switzerland, France, United States |
| thierry sifantus French politician, FR (b. 1959) |
|