Solo piano •
Piano Sonata No. 1 in C major, K. 279/189d (Munich, Autumn 1774) •
Piano Sonata No. 2 in F major, K. 280/189e (Munich, Autumn 1774) •
Piano Sonata No. 3 in B major, K. 281/189f (Munich, Autumn 1774) •
Piano Sonata No. 4 in E major, K. 282/189g (Munich, Autumn 1774) •
Piano Sonata No. 5 in G major, K. 283/189h (Munich, Autumn 1774) •
Piano Sonata No. 6 in D major, K. 284/205b (Munich, February–March 1775) •
Piano Sonata No. 7 in C major, K. 309/284b (Mannheim, 8 November 1777) •
Piano Sonata No. 8 in A minor, K. 310/300d (Paris, Summer 1778) •
Piano Sonata No. 9 in D major, K. 311/284c (Mannheim, November–December 1777) •
Piano Sonata No. 10 in C major, K. 330/300h (Vienna or Salzburg, 1783) •
Piano Sonata No. 11 in A major, K. 331/300i (Vienna or Salzburg, 1783) •
Piano Sonata No. 12 in F major, K. 332/300k (Vienna or Salzburg, 1783) •
Piano Sonata No. 13 in B major, K. 333/315c (Linz, 1783) •
Piano Sonata No. 14 in C minor, K. 457 (Vienna, 14 October 1784) •
Piano Sonata No. 15 in F major, K. 533/494 (Vienna, 3 January 1788) •
Piano Sonata No. 16 in C major, K. 545 (so-called
facile or
semplice sonata; Vienna, 26 June 1788) •
Piano Sonata No. 17 in B major, K. 570 (Vienna, February 1789) •
Piano Sonata No. 18 in D major, K. 576 (Vienna, July 1789)
Piano four-hands •
Sonata for keyboard four-hands in C major, K. 19d (doubtful, London, May 1765) • Sonata for keyboard four-hands in D major, K. 381 / 123a • Sonata for keyboard four-hands in B major, K. 358 / 186c • Sonata for Keyboard four-hands in F major, K. 497 •
Sonata for keyboard four-hands in C major, K. 521 • Sonata for keyboard four-hands in G major, K. 357 (incomplete)
Two pianos •
Sonata for Two Pianos in D major, K. 448 / 375a (1781) ==Violin sonatas==