Athina Rachel Tsangari is a Greek filmmaker. Some of her most notable works include her feature films, The Slow Business of Going (2000), Attenberg (2010) and Chevalier (2015) as well as the co-production of Yorgos Lanthimos films Kinetta (2005), Dogtooth (2009), and Alps (2011). In her versatile work for cinema, she has also founded and been director of the Cinematexas International Short Film Festival. In 2014-2015, she was invited to Harvard University’s Visual and Environmental Studies department as a Visiting Lecturer on Art, Film, and Visual Studies.

Tsangari was born in Athens, Greece. She holds a university degree from the Faculty of Philosophy of the Aristotle University of Thessaloniki, and two post-graduate diplomas: an MA in performance studies from New York University's Tisch School of the Arts, and an MFA in Film Directing from the University of Texas at Austin.

Her first experience working in film was with a small role in Richard Linklater's 1991 film Slacker. Since then, Tsangari has assumed multiple roles within the film industry.