Wieniawski is a surname. Notable people with the surname include:
Henryk Wieniawski (1835–1880), Polish violinist and composer Régine Wieniawski (1879–1932), known as Poldowski, composer and pianist, daughter of Henryk Józef Wieniawski (1837–1912), Polish pianist, composer, conductor and teacher, brother of Henryk
See also Kochanów Wieniawski, a village in Masovian Voivodeship, Poland