Surname Сеппи (Seppi 
, Сеппи 
) , all over the world, is quite a rare family name. The last name Сеппи is habitual in Finland, where it is quite a rare surname, Estonia, and Italy. In absolute terms, it is commonest in Italy, the United States, and Germany. Much less frequently, Сеппи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seppi | Germany, Italy, Finland, United States, Argentina |
| Сеппи | Russia |