Nic Sheff is an American writer. He is the author of two memoirs, including the New York Times best seller ' and We All Fall Down: Living With Addiction. He has also written several novels for young adults and written episodes for The Killing, Recovery Road and 13 Reasons Why.
As of 2011, Sheff lived with his wife in Los Angeles.
Sheff is the subject of his father David Sheff's memoir, ', and was a consultant on its 2018 film adaptation, in which he was portrayed by Timothée Chalamet. For his performance, Chalamet was nominated for a Golden Globe Award, Screen Actors Guild Award, and BAFTA Award, all for Best Actor in a Supporting Role.