Fritz Jessner (19 August 1889 – 9 July 1946) was a German-American actor and theater director.
He then decided to enter the theatre and took acting lessons in Berlin and played under the direction of Max Reinhardt.
During the First World War he worked under the direction of his cousin and later brother-in-law Leopold Jessner in Königsberg.
He was at the New Playhouse in Königsberg from 1924, and worked between 1934 and 1936 as a director at the Schauspielhaus of the Jewish Cultural Association in Berlin.
Shortly before he was to take up a job as a lecturer at the Dramatic Workshop in New York City, he died on 9 July 1946 in Boston.