Jolanthe von Brandenstein, known by her pen name Leonie Ossowski, was a German writer. She also wrote under the name Jo Tiedemann. She wrote novels, including the novel for young adults Die große Flatter which was filmed as an award-winning TV play, screenplays such as for Zwei Mütter, stories and non-fiction books. Notable awards include the Hermann Kesten Medal of the Pen Centre and the Adolf-Grimme-Preis.
