Kownacki (Polish pronunciation: ; feminine: Kownacka; plural: Kownaccy) is a Polish surname. It may refer to:
Adam Kownacki (born 1989), Polish-American boxer Dawid Kownacki (born 1997), Polish association football player Edmund Knoll-Kownacki (1891–1953), Polish military officer Gabriela Kownacka (1952–2010), Polish actress Maria Kownacka (1894–1982), Polish writer Rafał Kownacki (born 1980), Polish lawyer
See also
pl:Kownacki