Mystery of the Riverboat
- Tahun: 1944
- Negara: United States of America
- Genre: Action, Crime
- Studio: Universal Pictures
- Kata kunci: movie serial
- Pengarah: Lewis D. Collins, Ray Taylor
- Pelakon: Robert Lowery, Marjorie Clements, Lyle Talbot, Arthur Hohl, Oscar O'Shea, Joe Devlin