Piano Sonata in C-sharp minor

Piano Sonata in C-sharp minor may refer to:
 * Piano Sonata No. 14 (Beethoven), Piano sonata written by Beethoven in 1801
 * Piano Sonata in C-sharp minor, D 655 (Schubert)
 * Piano Sonata in C-sharp minor (Tchaikovsky)
 * Piano Sonata in C-sharp minor (Tchaikovsky)