Jonathan Nolan (born 6 June 1976) is a British-American screenwriter, television producer, director, and author. He is the creator of the CBS science fiction series Person of Interest (2011–2016) and co-creator of the HBO science fiction western series Westworld (2016–present).

Nolan has collaborated on several films with his brother, director Christopher Nolan, who adapted Jonathan's short story "Memento Mori" into the neo-noir thriller film Memento (2000). Together, the siblings co-wrote the mystery thriller film The Prestige (2006), the superhero films The Dark Knight (2008) and The Dark Knight Rises (2012), and the science fiction film Interstellar (2014).

Nolan was nominated for the Academy Award for Best Original Screenplay for Memento, and for the Primetime Emmy Award for Outstanding Writing for a Drama Series and Outstanding Directing for a Drama Series for Westworld, among a number of other awards.