Der junge Lord is an opera in two acts by Hans Werner Henze to a German libretto by Ingeborg Bachmann, after Wilhelm Hauff's 1827 fairy tale "Der Affe als Mensch" from Der Scheik von Alessandria und seine Sklaven.

Hans Werner Henze was a German composer. His large oeuvre is extremely varied in style, having been influenced by serialism, atonality, Stravinsky, Italian music, Arabic music and jazz, as well as traditional schools of German composition. In particular, his stage works reflect "his consistent cultivation of music for the theatre throughout his life".