Nicholas Peter John Hornby is an English writer and lyricist. He is best known for his memoir Fever Pitch (1992) and novels High Fidelity and About a Boy, all of which were adapted into feature films. Hornby's work frequently touches upon music, sport, and the aimless and obsessive natures of his protagonists. His books have sold more than 5 million copies worldwide as of 2018. In a 2004 poll for the BBC, Hornby was named the 29th most influential person in British culture. He has received two Academy Award for Best Adapted Screenplay nominations for An Education (2009), and Brooklyn (2015).

Fever Pitch: A Fan's Life is a 1992 autobiographical essay by British author Nick Hornby. The book is the basis for two films: Fever Pitch and Fever Pitch. The first edition was subtitled "A Fan's Life", but later paperback editions were not.