Jadwiga Mlynek [Polish: Jadwiga Młynek] (1 October 1905 – 1 August 2015) was a Polish centenarian. She was a resident of the city of Kalisz, Greater Poland Voivodeship. She was born in the same city. Jadwiga Mlynek was believed to be the oldest living person in Poland since the passing of Jozefa Bak on 10 June 2014 until her own death on 1 August 2015 at age 109 years, 304 days. After her death the title of oldest living person in Poland went to Jadwiga Szubartowicz.