A Private War is a 2018 American biographical war drama film directed by Matthew Heineman, and starring Rosamund Pike as journalist Marie Colvin. The film is based on the 2012 article "Marie Colvin’s Private War" in Vanity Fair by Marie Brenner. The film was written by Arash Amel and features Jamie Dornan, Tom Hollander and Stanley Tucci.

The film premiered at the 2018 Toronto International Film Festival and was released in the United States on November 2, 2018. It received positive reviews from critics, who praised Pike's performance. At the 76th Golden Globe Awards, the film earned nominations for Best Actress in a Motion Picture – Drama (Pike) and Best Original Song ("Requiem for A Private War"), while director Matthew Heineman received a nomination for Outstanding Directorial Achievement of a First Time Feature Film Director from the Directors Guild of America.