The 18th National Board of Review Awards were announced on 18 December 1946.

Best English-language films

1. Henry V
2. Open City
3. The Best Years of Our Lives
4. Brief Encounter
5. A Walk in the Sun
6. It Happened at the Inn
7. My Darling Clementine
8. The Diary of a Chambermaid
9. The Killers
10. Anna and the King of Siam

Winners

• Best Film: Henry V
• Best Actor: Laurence Olivier (Henry V)
• Best Actress: Anna Magnani (Open City)
• Best Director: William Wyler (The Best Years of Our Lives)