Iwiński

Iwiński (feminine: Iwińska, plural: Iwińscy) is a surname of Polish origin. It may refer to:


 * Adam Iwiński (1958–2010), Polish director and cinematographer
 * Andrzej Iwiński (1946–2020), Polish sailor
 * Katarzyna Iwińska-Tomicka (1517–1551), Polish noblewoman
 * Kazimierz Iwiński, Polish educator
 * Marcin Iwiński, Polish billionaire
 * Tadeusz Iwiński (born 1944), Polish politician