Siankievič (Belarusian: Сянкевіч) is a gender-neutral Belarusian-language surname.[1] It is derived from the given name Sieńka (Belarusian: Сенька), a diminutive of Siamion (Simeon) (Belarusian: Сямён).[2]
Other forms: Polish: Sienkiewicz; Russian: Senkevich (transliteration from Cyrillic alphabet).
Notable people with the surname include: