Les Misérables, colloquially known as Les Mis or Les Miz, is a sung-through musical with music by Claude-Michel Schönberg, lyrics by Alain Boublil and Jean-Marc Natel, and a book by Schönberg and Boublil, based on the 1862 novel of the same name by Victor Hugo. The original French musical premiered in Paris in 1980 with direction by Robert Hossein. Its English-language adaptation, with lyrics by Herbert Kretzmer, produced by Cameron Mackintosh, has been running in London since October 1985, making it the longest-running musical in the West End and the second longest-running musical in the world after the original Off-Broadway run of The Fantasticks. A film adaptation was released in 2012.

Les Misérables is a 2012 epic period musical film directed by Tom Hooper from a screenplay by William Nicholson, Alain Boublil, Claude-Michel Schönberg, and Herbert Kretzmer, based on the stage musical of the same name by Schönberg, Boublil, and Jean-Marc Natel, which in turn is based on the 1862 novel Les Misérables by Victor Hugo. The film stars an ensemble cast led by Hugh Jackman, Russell Crowe, Anne Hathaway, Eddie Redmayne, Amanda Seyfried, Helena Bonham Carter, and Sacha Baron Cohen, with Samantha Barks, Aaron Tveit, and Daniel Huttlestone in supporting roles.