White Fang is a novel by American author Jack London (1876–1916) — and the name of the book's eponymous character, a wild wolfdog. First serialized in Outing magazine, it was published in 1906. The story takes place in Yukon Territory, Canada, during the 1890s Klondike Gold Rush and details White Fang's journey to domestication. It is a companion novel (and a thematic mirror) to London's best-known work, The Call of the Wild, which is about a kidnapped, domesticated dog embracing his wild ancestry to survive and thrive in the wild.

Jack London (born John Griffith Chaney, January 12, 1876 – November 22, 1922) was an American author, journalist, and social activist. He was a pioneer in the then-burgeoning world of commercial magazine fiction and was one of the first fiction writers to obtain worldwide celebrity and a large fortune from his fiction alone. Some of his most famous works include The Call of the Wild and White Fang, both set in the Klondike Gold Rush. He also wrote of the South Pacific in such stories as "The Pearls of Parlay" and "The Heathen", and of the San Francisco Bay area in The Sea Wolf. London was a passionate advocate of unionization, socialism, and the rights of workers. He wrote several powerful works dealing with these topics, such as his dystopian novel The Iron Heel, his non-fiction exposé The People of the Abyss, and The War of the Classes.