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- Jostein Gaarder - Sophie's World, The Christmas Mystery
- Arkady Gaidar (1904–1941) - Timur and His Squad
- Neil Gaiman - Coraline, The Graveyard Book
- Paul Gallico (1997–1976) - The Snow Goose, Manxmouse, Jennie, The Day the Guinea-Pig Talked
- Sally Gardner - The Countess's Calamity, I, Coriander, The Red Necklace
- Leon Garfield (1921–1996) - Jack Holborn, The Strange Affair of Adelaide Harris, The God Beneath the Sea
- Alan Garner - The Owl Service, The Weirdstone of Brisingamen, The Moon of Gomrath, Elidor, Red Shift, The Stone Book Quartet
- Eve Garnett (1900–1991) - The Family from One End Street
- Doris Gates (1901–1987) - Blue Willow
- Anna Genover-Mas - The Grumpy Gardener
- Jean Craighead George - My Side of the Mountain, Julie of the Wolves
- Charles Ghigna (born 1946) Father Goose
- Patricia Reilly Giff - The Polk Street School series, Lily's Crossing, Pictures of Hollis Woods, Eleven, Storyteller
- Fred Gipson (1908–1973) - Old Yeller
- Rumer Godden (1907–1998) - The Doll's House, The Mousewife, The Diddakoi
- Glenda Goertzen (born 1967) - The Prairie Dogs, City Dogs
- Julia Golding - The Diamond of Drury Lane, Secret of the Sirens
- Oliver Goldsmith (1730–1774) - The History of Little Goody Two-Shoes
- Elizabeth Goudge (1900–1984) - The Little White Horse, Linnets and Valerians
- Harry Graham (1874–1936) - Ruthless Rhymes for Heartless Homes
- Kenneth Grahame (1859–1932) - The Wind in the Willows
- Hardie Gramatky (1907–1979) - Little Toot
- John Grant - Little Nose stories
- Nicholas Stuart Gray (1922–1981) - Grimbold's Other World, The Seventh Swan
- Kate Greenaway (1846–1901) - Under the Window
- Graham Greene (1904–1991) - The Little Train, The Little Fire Engine, The Little Horse Bus, The Little Steamroller
- Stacy Gregg - Pony Club Secrets series
- Kristiana Gregory - Earthquake at Dawn, The Stowaway, Jenny of the Tetons
- Jacob (1785–1863) and Wilhelm (1786–1859) Grimm - Grimm's Fairy Tales
- Maria Gripe (1923–2007) - Hugo and Josephine, In the Time of the Bells, Elvis and His Secret
- John Grisham - Theodore Boone: Kid Lawyer series
- Johnny Gruelle (1880–1938) - Raggedy Ann series
Read more about this topic: List Of Children's Literature Authors