Family name Sysi (Sysi 
) , across the world, is an extremely rare last name. The family name Sysi is habitual in Latin America and the Caribbean, particularly Peru, where it is an extremely rare surname, and Mexico. More prevalently, Sysi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sysi | South Africa, Mexico, United States, India, France |