John Walmsley (born 1947) is a freelance British documentary photographer and educationalist. His work is featured in the National Portrait Gallery in London, the Tate Britain Library, the National Art Library at the V&A, the V&A Museum of Childhood, Museum of Liverpool and la Bibliothèque nationale in Paris. He is a member of The Society of Authors, the National Union of Journalists and The Royal Photographic Society. His work has been published in over a thousand books worldwide. He is the author of the Penguin Education Special, Neill & Summerhill: A Man and His Work (1969) with a text by Leila Berg.