Niagara
- Jier: 1953
- Lân: United States of America
- Sjenre: Thriller, Crime
- Studio: 20th Century Fox
- Keyword: infidelity, husband wife relationship, clock tower, honeymoon, self-defense, postcard, morgue, delirium, niagara falls, waterfall, film noir, murder, tour guide, fear, pursuit, screaming, unconsciousness, adulteress, unfaithful wife
- Direkteur: Henry Hathaway
- Cast: Marilyn Monroe, Joseph Cotten, Jean Peters, Max Showalter, Denis O'Dea, Richard Allan