Hanna Mortkowicz-Olczakowa (15 October 1905 – 5 January 1968) was a Polish poet and writer.

She was the writer of several novels for children and young adults.

She was born on 15 October 1905 in Warsaw to a Jewish family,[1] as a daughter of Jakób Mortkowicz (1876–1931), a book publisher and Janina Horwitz (1875–1960), a writer.

Hanna Mortkowicz-Olczakowa graduated in Polish studies and art history from the University of Warsaw, also she studied painting at the Academy of Fine Arts in Warsaw.

This article about a Polish writer or poet is a stub.