Iwanski (feminine Iwańska) is a Polish surname. Notable people include:
Alicja Iwańska (1918–1996), Polish resistance fighter and academic Henryk Iwanski (1902–1978), Polish resistance fighter Janusz Iwanski (born 1956), Polish jazz guitarist Maciej Iwanski (born 1981), Polish footballer Michał Iwanski (born 1994), Polish painter Tomasz Iwanski (born 1968), Polish tennis player
See also