* The Hot Kid (2005)
* The Love-Artist (2008)
* Sanctuary (2010)
* This Is Your Life, Harriet Chance! (2012)
* Where the Sky Meets the Sea (2014)
* The Secret of Everything (2017)
* The Second Sight (2018)
* The First Time I Saw Her (2019)
* The Man Who Ran Away (2020)
* The Last Party (2022)
Non-fiction
* The Meaning of Life: A Novel (2008)
* The Book of Life: A Memoir (2011)
* The Art of Happiness: A Handbook for Life (2014)
* The Power of Now: A Guide to Spiritual Enlightenment (2017)
* The Life-Changing Magic of Tidying Up: The Japanese Art of Decluttering and Organizing (2018)
Short stories
* "The Beachcomber" (2004)
* "The Lighthouse Keeper" (2006)
* "The Fisherman's Wife" (2008)
* "The Ghost Writer" (2010)
* "The Last Night of Summer" (2012)
Children's books
* The Gruffalo (1999)
* The Gruffalo's Child (2004)
* Stick Man (2008)
* The Snail and the Whale (2010)
* Room on the Broom (2012)
* The Highway Rat (2013)
* Superworm (2014)
* The Gruffalo's Gruffalo (2015)
* Zog (2018)
* The Baddies (2019)
* Tiddler (2021)