The Marilyn Diptych is a 1962 silkscreen painting by American pop artist Andy Warhol.

The work was completed during the weeks after Marilyn Monroe's death in August 1962. It contains fifty images of the actress, which are all based on a single publicity photograph from the film Niagara. The twenty-five pictures on the left side of the diptych are brightly colored, while the twenty-five on the right are in black and white, and also blurred or faded. The juxtaposition of the color images with those in black and white is sometimes thought to symbolize Monroe's life and mortality. The black and white pictures can also be said to represent her career in film or the photographs of her in magazines.

The piece is currently on display at Tate Liverpool. In 2004, it was named the third most influential piece of modern art in a survey of 500 artists, critics, and others.