20th Century Blues may refer to:
Blues, the musical form and genre "Twentieth Century Blues", a song from the 1931 musical Cavalcade by Noël Coward 20th Century Blues (Marianne Faithfull album), 1996 20th Century Blues (Robin Trower album), 1994 20th Century Blues, (play by Susan Miller), 2018 See also Twentieth-Century Blues: The Songs of Noël Coward, a 1998 Noël Coward tribute album