MacKinlay Kantor, born Benjamin McKinlay Kantor, was an American journalist, novelist and screenwriter. He wrote more than 30 novels, several set during the American Civil War, and was awarded the Pulitzer Prize for Fiction in 1956 for his 1955 novel, Andersonville. He also wrote the novel Gettysburg, set during the Civil War.

The Pulitzer Prize for Fiction is one of the seven American Pulitzer Prizes that are annually awarded for Letters, Drama, and Music. It recognizes distinguished fiction by an American author, preferably dealing with American life, published during the preceding calendar year.