John O'Farrell (born 27 March 1962) is a British author and comedy scriptwriter.
Previously a lead writer for such shows as Spitting Image and Have I Got News for You, he is now best known as a comic author for such books such as The Man Who Forgot His Wife and An Utterly Impartial History of Britain.
He is one of a small number of British writers to have achieved best-seller status with both fiction and non-fiction.
He has also published three collections of his weekly column for The Guardian and set up Britain's first daily satirical news website NewsBiscuit.O'Farrell co-wrote the musical Something Rotten!, which opened on Broadway in April 2015, and has been commissioned to co-write a Broadway musical of Mrs.
Doubtfire.
In September 2017, he published Things Can Only Get Worse?, a sequel to the 1998 political memoir that originally made his name.
His books have been translated into around thirty languages and adapted for radio and television.