Cognomen Seppik (Seppik 
) , in all the world, is a rare last name. The surname Seppik is habitual in Estonia, where it is quite a common surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Seppik | Germany, Estonia |
| ain seppik Estonian politician, EE (b. 1952) |
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| markkus seppik Estonian association football player, EE |
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