Leonie Ossowski was the pen name of Jolanthe von Brandenstein (15 August 1925 – 4 February 2019), a German writer. She wrote under the name Jo Tiedemann. She wrote scripts for DEFA: "Zwei Mütter" ("Two mothers") and "Stern ohne Himmel" ("Stars without Sky"). She has lived in Berlin from 1980 until her death. Her 1977 novel "Die große Flatter" ("The big flutter") was also made into a movie.