Aktris Terbaik (National Board of Review Award)

1940an

sunting
Tahun Pemenang Film Peran
1945 Joan Crawford Mildred Pierce Mildred Pierce Beragon †
1946 Anna Magnani Rome, Open City Pina
1947 Celia Johnson This Happy Breed Ethel Gibbons
1948 Olivia de Havilland The Snake Pit Virginia Stuart Cunningham ‡
1949 tak diberikan