Katja Czellnik (born 6 August 1966) is a German music theatre director and lecturer at the Universität der Künste Berlin.
During the directorship of Kirsten Harms at the Kiel Opera, Czellnik was part of the regular cast of directors.
With her six works shown here, she attracted considerable national interest: Der Rattenfänger (Wilfried Hiller), Cristoforo Colombo (Alberto Franchetti), Edipo Re and Pagliacci (Ruggero Leoncavallo), I capricci di Callot (Gian Francesco Malipiero), María de Buenos Aires (Astor Piazzolla) and Eduard auf dem Seil (Wilfried Hiller).
[4] At the Bregenz Festival, Czellnik staged Bohuslav Martinů's Giulietta; she is now a member of the directing staff at the Komische Oper Berlin, where her interpretations of Peter Grimes, María de Buenos Aires and Paul Dessau's Die Verurteilung des Lukullus have been seen to date.
[5] Czellnik is a lecturer at the Berlin University of the Arts, teaching Analysis of Contemporary Drama Texts / Stage Design Concepts.