Keyboard Sonata No. 20 (Haydn)
# 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
