Swallows and Amazons is a children's adventure novel by English author Arthur Ransome first published on 21 July 1930 by Jonathan Cape. Set in the summer of 1929 in the Lake District, the book introduces the main characters of John, Susan, Titty and Roger Walker (Swallows); as well as their mother, Mary; and their baby sister, Bridget. We also meet Nancy and Peggy Blackett (Amazons); their uncle Jim, commonly referred to as Captain Flint; and their widowed mother, Molly Blackett. It is the first book in the Swallows and Amazons series, followed by Swallowdale.

Arthur Michell Ransome was an English author and journalist. He is best known for writing and illustrating the Swallows and Amazons series of children's books about the school-holiday adventures of children, mostly in the Lake District and the Norfolk Broads. The entire series remains in print, and Swallows and Amazons is the basis for a tourist industry around Windermere and Coniston Water, the two lakes Ransome adapted as his fictional North Country lake.