Union Pacific
- Jaar: 1939
- Land: United States of America
- Genre: Drama, Western
- Studio: Paramount Pictures
- Sleutelwoord: railroad, ulysses s. grant
- Direkteur: Cecil B. DeMille
- Gooi: Barbara Stanwyck, Joel McCrea, Akim Tamiroff, Robert Preston, Lynne Overman, Brian Donlevy