title: Keyboard Sonata No. 20 (Haydn)
text: # Keyboard Sonata No. 20 (Haydn)
  
  Keyboard Sonata No. 20 (Haydn) may refer to:
  
  * Piano Sonata Hob. XVI/18, L. 20, in B-flat major
  * Piano Sonata Hob. XVI/20, L. 33, in C minor
  