Half a Sinner
- År: 1940
- Land: United States of America
- Genre: Mystik, Äventyr, Komedi
- Studio: Arcadia Pictures Corp., Universal Pictures
- Nyckelord: gangster, stool pigeon
- Direktör: Al Christie
- Kasta: Heather Angel, John 'Dusty' King, Constance Collier, Tom Dugan, Robert Elliott, Clem Bevans