The Lost Chord (disambiguation)

• 12 equal temperament
• 12 equal temperament
• Arthur Sullivan
• In Search of the Lost Chord
• Song Machine
• The Lost Chord
• The Lost Chord (1911 film)
• The Lost Chord (1917 film)
• The Lost Chord (1925 film)
• The Lost Chord (1933 film)
• The Lost Chord (The Worst Witch)