John Curran is an Irish literary scholar and archivist, best known as an expert on the work of Dame Agatha Christie, English author of detective fiction and the world's bestselling novelist. He was born in Dublin and for years edited the Agatha Christie newsletter, subscriptions to which are handled through the author's official website. He wrote his doctoral thesis on Christie at Trinity College. He served as a National Trust consultant during the restoration of Christie's Devon residence, the Greenway Estate.