Aktris Terbaik (National Board of Review Award)

1940an

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