Diary of a Mad Housewife is a 1970 film which tells the story of a frustrated housewife who takes a lover, but doesn't find satisfaction. It stars Richard Benjamin, Frank Langella and Carrie Snodgress.

The movie was adapted by Eleanor Perry from the novel by Sue Kaufman . It was directed by Frank Perry.

It was nominated for the Academy Award for Best Actress (Carrie Snodgress).