Winiarski is a Polish surname. Notable people with the surname include:
Bohdan Winiarski (1884–1969), Polish politician and jurist Ed Winiarski (1911–1975), American comic book writer Leon Winiarski (1865–1915), Polish sociologist Michał Winiarski (born 1983), Polish volleyball player Warren Winiarski (1928–2024), American winemaker