Stranger on the Third Floor
- वर्ष: 1940
- देश: United States of America
- शैली: Mystery, Thriller
- स्टुडिओ: RKO Radio Pictures
- कीवर्ड: film noir, b movie, wrongful conviction
- संचालक: Boris Ingster
- कास्ट: Peter Lorre, John McGuire, Margaret Tallichet, Charles Waldron, Elisha Cook Jr., Charles Halton