Lindsey Kelk is an English author, journalist, and former children's book editor. She initially signed a three-book deal with HarperCollins following the submission of a manuscript for her first novel. To date, she has published 19 adult books and is also the author of the children's series Cinders and Sparks.

Lindsey Kelk is the Sunday Times bestselling author of books including the I Heart series, On A Night Like This, The Christmas Wish, and One in a Million, along with the middle-grade Cinders & Sparks series. As well as writing books, Lindsey co-hosts the award-winning beauty podcast, Full Coverage, and Tights and Fights, a pro-wrestling podcast on the Maximum Fun network.

Born and raised in South Yorkshire, Lindsey lived in Nottingham, London, and New York before settling in Los Angeles, where she lives with her husband and two very rude cats.