Łukaszewicz is a Polish surname. It comes from the given name Łukasz (Lucas). It is most frequent in north-eastern Poland. Archaic feminine forms: Łukaszewiczówna (unmarried) and Łukaszewiczówa (married).
Related surnames: Łukasiewicz and Lukashevich.
| Language | Masculine | Feminine |
|---|---|---|
| Łukaszewicz | ||
| Belarusian (Romanization) | Belarusian: Лукашэвіч (Lukaševič, Lukashevich) | |
| Lukaševičs, Lukašēvičs | Lukaševiča, Lukašēviča | |
| Lukaševičius | Lukaševičienė (married) Lukaševičiūtė (unmarried) | |
| Russian (Romanization) | Russian: Лукашевич (Lukashevich, Lukashevitch) | |
| Ukrainian (Romanization) | Ukrainian: Лукашевич (Lukashevych, Lukaševyč) |