Washington Square is a short novel by Henry James. Originally published in 1880 as a serial in Cornhill Magazine and Harper's New Monthly Magazine, it is a structurally simple tragicomedy that recounts the conflict between a dull but sweet daughter and her brilliant, unemotional father. The plot of the novel is based upon a true story told to James by his close friend, British actress Fanny Kemble. The book is often compared with Jane Austen's work for the clarity and grace of its prose and its intense focus on family relationships. James was not a great fan of Washington Square. He tried to read it over for inclusion in the New York Edition of his fiction (1907-1909) but found that he could not, so the novel was not included. Readers, though, have sufficiently enjoyed the book to make it one of the more popular of James's works. Indeed, and has since been used in schools all over the world.

The novel is told in the first person omniscient point of view, and the narrator often offers comments directly to the reader ("though it is an awkward confession to make about one's heroine, I must add she was something of a glutton", Chapter II)

The novel begins at a distance from the characters, describing the background of the Sloper family. It then recounts in detail the story of Catherine's romance with Morris Townsend. When Morris jilts her, the focus shifts back to a long view. As the narrator puts it: "Our story has hitherto moved with very short steps, but as it approaches its termination it must take a long stride." The final few chapters are taken once more in short steps, ending with the striking vignette of Catherine's refusal of Morris.