Piano Sonata in D major may refer to:

Piano Sonata No. 7 (Beethoven) Piano Sonata No. 15 (Beethoven) Sonata in D major for piano four-hands, Op. 6 (Beethoven) Piano Sonata in D major, WoO 47 No. 3 (Beethoven) Piano Sonata No. 6 (Mozart) Piano Sonata No. 9 (Mozart) Piano Sonata No. 18 (Mozart) Sonata for Two Pianos in D major (Mozart) Piano Sonata in D major, D 850 (Schubert) Piano Sonata Hob. XVI/33 (Haydn) Piano Sonata Hob. XIV/5 (Haydn)