The War Against Mrs. Hadley is a 1942 American drama film directed by Harold S. Bucquet and starring Fay Bainter and Edward Arnold. The plot depicts how wealthy society matron Stella Hadley selfishly refuses to sacrifice her family or material comforts during World War II, until tragedy strikes an old rival. The script by George Oppenheimer was nominated for an Academy Award for Best Original Screenplay.

Fay Okell Bainter was an American film and stage actress. She won the Academy Award for Best Supporting Actress for Jezebel (1938) and has a star on the Hollywood Walk of Fame.