Lisa Jewell (born 19 July 1968) is a British author known for her compelling popular fiction.

Her literary works include Ralph's Party, Thirtynothing, After The Party (a sequel to Ralph's Party), Then She Was Gone, The Family Upstairs, Invisible Girl, and The Night She Disappeared. Her most recent publication, None of This Is True, was released in July 2023.

Jewell's upcoming book, Breaking the Dark: A Jessica Jones Marvel Crime Novel, is set to be released on July 2, 2024.

She was born in London and began her career with the bestselling debut novel, Ralph's Party, in 1999. Over the years, she has published over twenty novels, with many delving into dark psychological thrillers.

Lisa Jewell is a New York Times and Sunday Times number one bestselling author, with her works published worldwide in over twenty-five languages. She resides in north London with her husband, two daughters, and a beloved dog.