The Arnelo Affair
- Tahun: 1947
- Negara: United States of America
- Genre: Crime, Drama
- Studio: Metro-Goldwyn-Mayer
- Kata kunci: infidelity, film noir, murder, extramarital affair
- Pengarah: Arch Oboler
- Pelakon: John Hodiak, George Murphy, Frances Gifford, Dean Stockwell, Eve Arden, Warner Anderson