Cognomen Seitti (Seitti 
) , in all the world, is a very rare surname. The last name Seitti is characteristic of Finland, where it is a rare surname, and India, where it is an extremely rare surname. Very seldom, Seitti is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Seitti | Finland, Nigeria, Philippines, Brazil, India |