Family name Łoniewski (Łoniewski 
, Лоневский 
) , worldwide, is a rare last name. The surname Łoniewski is characteristic of Eastern Europe, particularly Poland, where it is a rare surname, and Russia, where it is a very rare surname.
| jan łoniewski (b. 1958) |
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| łoniewski igor researcher |
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| michał łoniewski Polish taekwondo practitioner, PL (b. 1988) |
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