Alice's Adventures in Wonderland (commonly Alice in Wonderland) is an 1865 English novel by Lewis Carroll. A young girl named Alice falls through a rabbit hole into a fantasy world of anthropomorphic creatures. It is seen as an example of the literary nonsense genre.

One of the best-known works of Victorian literature, its narrative, structure, characters and imagery have had huge influence on popular culture and literature, especially in the fantasy genre. The book has never been out of print and has been translated into 174 languages. Its legacy covers adaptations for screen, radio, art, ballet, opera, musicals, theme parks, board games and video games. Carroll published a sequel in 1871 entitled Through the Looking-Glass and a shortened version for young children, The Nursery "Alice", in 1890.

Charles Lutwidge Dodgson (; 27 January 1832 – 14 January 1898), better known by his pen name Lewis Carroll, was an English author, illustrator, poet, mathematician, photographer, teacher, and inventor. His most notable works are Alice's Adventures in Wonderland (1865) and its sequel Through the Looking-Glass (1871). He was noted for his facility with word play, logic, and fantasy. His poems Jabberwocky (1871) and The Hunting of the Snark (1876) are classified in the genre of literary nonsense.

Carroll came from a family of high-church Anglicans, and developed a long relationship with Christ Church, Oxford, where he lived for most of his life as a scholar and teacher. Alice Liddell, the daughter of Christ Church's dean Henry Liddell, is widely identified as the original inspiration for Alice in Wonderland, though Carroll always denied this. Scholars are divided about whether his relationship with children included an erotic component.

An avid puzzler, Carroll created the word ladder puzzle (which he then called "Doublets"), which were published in his weekly column for Vanity Fair magazine between 1879 and 1881. In 1982, a memorial stone to Carroll was unveiled at Poets' Corner in Westminster Abbey. There are societies in many parts of the world dedicated to the enjoyment and promotion of his works.