Douglas Day Stewart (born January 1, 1940) is an American screenwriter and film director.

[7] After his discharge, Stewart earned a Masters of Arts in Radio, Film and Television from Northwestern University.

[3] After working as a playwright, Stewart's first screen writing credits was for the television series Room 222.

The latter earned him a Primetime Emmy Award nomination for Outstanding Writing for a Limited or Anthology Series or Movie.

A critical and commercial success,[10][11] the film earned Stewart an Oscar nod for Best Original Screenplay.