Pippi Longstocking (Swedish: Pippi Långstrump) is a novel by Astrid Lindgren. It was originally published in Sweden on 26 November 1945. It is the first in a series of books about Pippi Longstocking. Pippi is a girl who lives alone in a house with her pets, a monkey named Mr. Nilsson and a horse that she keeps on the porch. She befriends Tommy and his sister Annika, who live next door to her.

As of 2009, the book has been translated into 64 languages.