Seweryna Maria Szmaglewska (Seweryna Maria Szmaglewska-Wiśniewska) (11 February 1916 – 7 July 1992) was a Polish writer, known for both books for children and adults alike, and an inmate of the Auschwitz-Birkenau concentration camp during World War II.

She was born on 11 February 1916, in Przygłów near Piotrków Trybunalski, then in Central Powers-occupied part of the Kingdom of Poland.

Between 1942 and 1945 she was an inmate of the Auschwitz-Birkenau concentration camp in Oświęcim after spending two months in the prisons of Piotrków and Częstochowa.

[1][2][3]: 203–204  As a Nazi camp survivor, she was one of two Poles to testify at the Nuremberg Trials on 27 February 1946 (the other witness being Samuel Rajzman).

In 1973 the continuation of the novel, Nowy ślad Czarnych Stóp (A New Trail of Black Feet), was published.