Käthe von Nagy (born 4 April 1904 in Szabadka, Austria-Hungary, today Subotica/Serbia, as Ekaterina Nagy von Cziser) was an Hungarian actress, model, dancer and singer, part of an aristocratic Serbian family. Between 1927 and 1952 she was active in German, French, Italian and Austrian cinema. She died of cancer in 1973, in Ojai, California, aged 69.