Yes, same name and the book and the film largely follow each other, there’s some noticeable differences throughout, but mostly matches up. One of the biggest differences though, and the one that I believe I’d read irked the author, was that Kubrick left out the last chapter/epilogue, which kind of changes the overall message of the book in some ways. I still think the movie is good and worth a watch on its own (definitely not with kids around), but the movie ends a little earlier than the book.