Charlotte's Web is an award-winning children's novel by acclaimed American author E. B. White, about a pig named Wilbur who is saved from being slaughtered by an intelligent spider named Charlotte. The book was first published in 1952, with illustrations by Garth Williams.

The novel tells the story of a pig named Wilbur and his friendship with a barn spider named Charlotte. When Wilbur is in danger of being slaughtered by the farmer, Charlotte writes messages praising Wilbur (such as "Some Pig") in her web in order to persuade the farmer to let him live.

Written in White's dry, low-key manner, Charlotte's Web is considered a classic of children's literature, enjoyable to adults as well as children. The description of the experience of swinging on a rope swing at the farm is an often cited example of rhythm in writing, as the pace of the sentences reflects the motion of the swing. Publishers Weekly listed the book as the best-selling children's paperback of all time as of 2000.

Charlotte's Web was made into an animated feature by Hanna-Barbera Productions and Paramount Pictures in 1973. Paramount released a direct-to-video sequel, Charlotte's Web 2: Wilbur's Great Adventure, in the US in 2003 (Universal released the film internationally). A live-action film version of E. B. White's original story was released on December 15, 2006. A video game based on this adaption was also released on December 12.