Dustin Lance Black is an American screenwriter, director, producer, and LGBT rights activist. He is known for writing the film Milk, for which he won the Academy Award for Best Original Screenplay in 2009. He has also subsequently written the screenplays for the film J. Edgar and the 2022 crime miniseries Under the Banner of Heaven.

Milk is a 2008 American biographical drama film based on the life of gay rights activist and politician Harvey Milk, who was the first openly gay man to be elected to public office in California, as a member of the San Francisco Board of Supervisors. Directed by Gus Van Sant and written by Dustin Lance Black, the film stars Sean Penn as Milk, Josh Brolin as Dan White, a city supervisor, and Victor Garber as San Francisco Mayor George Moscone.