Family name Šeškus (Šeškus 
, Шешкус 
) , around the globe, is a very rare cognomen. The last name Šeškus is habitual in Lithuania, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Šeškus | Lithuania |
| Шешкус | Russia, Ukraine |
| algirdas šeškus Lithuanian photographer, LT (b. 1945) |
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| virginijus šeškus Lithuanian basketball coach, LT (b. 1967) |
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| domantas šeškus Lithuanian basketball player, LT (b. 1992) |
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| edvinas šeškus Lithuanian basketball player, LT (b. 1995) |
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