Harald Reinl was an Austrian film director. He is especially known for the movies he made based on Edgar Wallace and Karl May books and also made Mountain films, Heimatfilms, German war films and entries in such popular German film series as Dr. Mabuse, Jerry Cotton and Kommissar X.
Reinl started his career as an extra in the mountain-films of Arnold Fanck. He worked as screenwriter on the film Tiefland. Reinl's first movie as director was Bergkristall.
He was stabbed to death by his alcoholic wife, the former Czech actress Daniela Maria Delis.